TY  - CONF
AU  - Stevanović, Sanja
AU  - Milošević, Dragana
AU  - Tripković, Dušan
AU  - Maksimović, Vesna
AU  - Ćosović, Vladan
AU  - Nikolić, Nebojša D.
AU  - Krstajić Pajić, Mila
AU  - Rogan, Jelena
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6327
AB  - Горивне ћелије са метанолом (DMFC) као горивом cу веома перспектпвни извори енергије за стационарне и преносиве електричне уређаје пре свега због своје високе ефикасности и ниске емисије загађујућих материја, ниске радне температуре, велике густине енергије, нетоксичних и еколошки прихватљивих карактеристика. Међутим, њихова шира комерцијална употреба ограничена је факторима као што су: високи трошкови племенитог метала у електрокатализатору (на пример, Pt) и лоша радна издржљивост, односно брза деградација катализатора. У овом раду је представљена активност електрооксидације метанола код PtSn, PtSnO2, PtZn и PtSnZn катализатора у киселој средини. Стабилне наночестице cу успешно синтетизоване модификованим полиол поступком уз помоћ микроталасне пећнице. Ефекти састава, степена легирања, величине и морфологије синтерованих честица на електрокаталитичку активност су испитивани СО стрипинг волтаметријом и реакцијом електрооксидације метанола. Добијени резултати указују на појачане каталитичке актигвности за реакцију оксидације метанола побољшану отпорност на инхибицију СО, након додавања Sn или  Zn у Pt катализатор.
PB  - Srpska akademija nauka i umetnosti
C3  - Srpska akademija nauka i umetnosti: savremena stremljenja u elektrohemiji u procesu prelaska na obnovljive izvore energije, Knjiga izvoda, 05/06/2023, Beoograd
T1  - Platinski katalizatori na ugljeničnoj osnovi za efikasnu oksidaciju metanola
SP  - 18
EP  - 18
UR  - https://hdl.handle.net/21.15107/rcub_cer_6327
ER  - 

@conference{
author = "Stevanović, Sanja and Milošević, Dragana and Tripković, Dušan and Maksimović, Vesna and Ćosović, Vladan and Nikolić, Nebojša D. and Krstajić Pajić, Mila and Rogan, Jelena",
year = "2023",
abstract = "Горивне ћелије са метанолом (DMFC) као горивом cу веома перспектпвни извори енергије за стационарне и преносиве електричне уређаје пре свега због своје високе ефикасности и ниске емисије загађујућих материја, ниске радне температуре, велике густине енергије, нетоксичних и еколошки прихватљивих карактеристика. Међутим, њихова шира комерцијална употреба ограничена је факторима као што су: високи трошкови племенитог метала у електрокатализатору (на пример, Pt) и лоша радна издржљивост, односно брза деградација катализатора. У овом раду је представљена активност електрооксидације метанола код PtSn, PtSnO2, PtZn и PtSnZn катализатора у киселој средини. Стабилне наночестице cу успешно синтетизоване модификованим полиол поступком уз помоћ микроталасне пећнице. Ефекти састава, степена легирања, величине и морфологије синтерованих честица на електрокаталитичку активност су испитивани СО стрипинг волтаметријом и реакцијом електрооксидације метанола. Добијени резултати указују на појачане каталитичке актигвности за реакцију оксидације метанола побољшану отпорност на инхибицију СО, након додавања Sn или  Zn у Pt катализатор.",
publisher = "Srpska akademija nauka i umetnosti",
journal = "Srpska akademija nauka i umetnosti: savremena stremljenja u elektrohemiji u procesu prelaska na obnovljive izvore energije, Knjiga izvoda, 05/06/2023, Beoograd",
title = "Platinski katalizatori na ugljeničnoj osnovi za efikasnu oksidaciju metanola",
pages = "18-18",
url = "https://hdl.handle.net/21.15107/rcub_cer_6327"
}

Stevanović, S., Milošević, D., Tripković, D., Maksimović, V., Ćosović, V., Nikolić, N. D., Krstajić Pajić, M.,& Rogan, J.. (2023). Platinski katalizatori na ugljeničnoj osnovi za efikasnu oksidaciju metanola. in Srpska akademija nauka i umetnosti: savremena stremljenja u elektrohemiji u procesu prelaska na obnovljive izvore energije, Knjiga izvoda, 05/06/2023, Beoograd
Srpska akademija nauka i umetnosti., 18-18.
https://hdl.handle.net/21.15107/rcub_cer_6327

Stevanović S, Milošević D, Tripković D, Maksimović V, Ćosović V, Nikolić ND, Krstajić Pajić M, Rogan J. Platinski katalizatori na ugljeničnoj osnovi za efikasnu oksidaciju metanola. in Srpska akademija nauka i umetnosti: savremena stremljenja u elektrohemiji u procesu prelaska na obnovljive izvore energije, Knjiga izvoda, 05/06/2023, Beoograd. 2023;:18-18.
https://hdl.handle.net/21.15107/rcub_cer_6327 .

Stevanović, Sanja, Milošević, Dragana, Tripković, Dušan, Maksimović, Vesna, Ćosović, Vladan, Nikolić, Nebojša D., Krstajić Pajić, Mila, Rogan, Jelena, "Platinski katalizatori na ugljeničnoj osnovi za efikasnu oksidaciju metanola" in Srpska akademija nauka i umetnosti: savremena stremljenja u elektrohemiji u procesu prelaska na obnovljive izvore energije, Knjiga izvoda, 05/06/2023, Beoograd (2023):18-18,
https://hdl.handle.net/21.15107/rcub_cer_6327 .

TY  - JOUR
AU  - Krstajić Pajić, Mila N.
AU  - Stevanović, Sanja
AU  - Radmilović, Vuk V.
AU  - Gavrilović-Wohlmuther, Aleksandra
AU  - Zabinski, Piotr
AU  - Elezović, Nevenka R.
AU  - Radmilović, Velimir R.
AU  - Gojković, Snežana Lj.
AU  - Jovanović, Vladislava M.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2490
AB  - Low loading PtAu nanoparticles supported on high area carbon were synthesized by water-in-oil microemulsion method and examined for formic acid and methanol oxidation. Prepared catalyst powder was characterized by Xray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). These techniques revealed that the catalyst contains rather agglomerated quasi-spherical particles, similar to 4 nm diameter, composed of a solid solution of Pt and Au with only similar to 4 at% of Au. In spite of such low Au content, both onset and peak potentials for CO oxidation are shifted some 150 mV to more positive values in comparison to Pt synthesized in the same manner due to stronger binding of CO as a result of notable electronic effect. It is important that this small quantity of Au also significantly influences oxidation of formic acid promoting direct path and suppressing indirect path in formic acid oxidation in a degree as expected by a much larger quantity of Au. Such improvement could be due exclusively by ensemble effect of high number of small Pt domains which formation could be possible only by very fine dispersion of such low Au quantity. High number of small Pt domains is corroborated by lower activity for methanol oxidation in comparison to Pt catalyst synthesized by the same procedure. These results emphasize the importance of the Au dispersion on the surface of Pt over its quantity in PtAu catalyst with regards to both, the ensemble and the electronic effects.
PB  - Elsevier
T2  - Applied Catalysis B-Environmental
T1  - Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method
VL  - 243
SP  - 585
EP  - 593
DO  - 10.1016/j.apcatb.2018.10.064
ER  - 

@article{
author = "Krstajić Pajić, Mila N. and Stevanović, Sanja and Radmilović, Vuk V. and Gavrilović-Wohlmuther, Aleksandra and Zabinski, Piotr and Elezović, Nevenka R. and Radmilović, Velimir R. and Gojković, Snežana Lj. and Jovanović, Vladislava M.",
year = "2019",
abstract = "Low loading PtAu nanoparticles supported on high area carbon were synthesized by water-in-oil microemulsion method and examined for formic acid and methanol oxidation. Prepared catalyst powder was characterized by Xray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). These techniques revealed that the catalyst contains rather agglomerated quasi-spherical particles, similar to 4 nm diameter, composed of a solid solution of Pt and Au with only similar to 4 at% of Au. In spite of such low Au content, both onset and peak potentials for CO oxidation are shifted some 150 mV to more positive values in comparison to Pt synthesized in the same manner due to stronger binding of CO as a result of notable electronic effect. It is important that this small quantity of Au also significantly influences oxidation of formic acid promoting direct path and suppressing indirect path in formic acid oxidation in a degree as expected by a much larger quantity of Au. Such improvement could be due exclusively by ensemble effect of high number of small Pt domains which formation could be possible only by very fine dispersion of such low Au quantity. High number of small Pt domains is corroborated by lower activity for methanol oxidation in comparison to Pt catalyst synthesized by the same procedure. These results emphasize the importance of the Au dispersion on the surface of Pt over its quantity in PtAu catalyst with regards to both, the ensemble and the electronic effects.",
publisher = "Elsevier",
journal = "Applied Catalysis B-Environmental",
title = "Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method",
volume = "243",
pages = "585-593",
doi = "10.1016/j.apcatb.2018.10.064"
}

Krstajić Pajić, M. N., Stevanović, S., Radmilović, V. V., Gavrilović-Wohlmuther, A., Zabinski, P., Elezović, N. R., Radmilović, V. R., Gojković, S. Lj.,& Jovanović, V. M.. (2019). Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method. in Applied Catalysis B-Environmental
Elsevier., 243, 585-593.
https://doi.org/10.1016/j.apcatb.2018.10.064

Krstajić Pajić MN, Stevanović S, Radmilović VV, Gavrilović-Wohlmuther A, Zabinski P, Elezović NR, Radmilović VR, Gojković SL, Jovanović VM. Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method. in Applied Catalysis B-Environmental. 2019;243:585-593.
doi:10.1016/j.apcatb.2018.10.064 .

Krstajić Pajić, Mila N., Stevanović, Sanja, Radmilović, Vuk V., Gavrilović-Wohlmuther, Aleksandra, Zabinski, Piotr, Elezović, Nevenka R., Radmilović, Velimir R., Gojković, Snežana Lj., Jovanović, Vladislava M., "Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method" in Applied Catalysis B-Environmental, 243 (2019):585-593,
https://doi.org/10.1016/j.apcatb.2018.10.064 . .

TY  - JOUR
AU  - Krstajić Pajić, Mila N.
AU  - Stevanović, Sanja
AU  - Radmilović, Vuk V.
AU  - Gavrilović-Wohlmuther, Aleksandra
AU  - Zabinski, Piotr
AU  - Elezović, Nevenka R.
AU  - Radmilović, Velimir R.
AU  - Gojković, Snežana Lj.
AU  - Jovanović, Vladislava M.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2897
AB  - Low loading PtAu nanoparticles supported on high area carbon were synthesized by water-in-oil microemulsion method and examined for formic acid and methanol oxidation. Prepared catalyst powder was characterized by Xray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). These techniques revealed that the catalyst contains rather agglomerated quasi-spherical particles, similar to 4 nm diameter, composed of a solid solution of Pt and Au with only similar to 4 at% of Au. In spite of such low Au content, both onset and peak potentials for CO oxidation are shifted some 150 mV to more positive values in comparison to Pt synthesized in the same manner due to stronger binding of CO as a result of notable electronic effect. It is important that this small quantity of Au also significantly influences oxidation of formic acid promoting direct path and suppressing indirect path in formic acid oxidation in a degree as expected by a much larger quantity of Au. Such improvement could be due exclusively by ensemble effect of high number of small Pt domains which formation could be possible only by very fine dispersion of such low Au quantity. High number of small Pt domains is corroborated by lower activity for methanol oxidation in comparison to Pt catalyst synthesized by the same procedure. These results emphasize the importance of the Au dispersion on the surface of Pt over its quantity in PtAu catalyst with regards to both, the ensemble and the electronic effects.
PB  - Amsterdam : Elsevier Science Bv
T2  - Applied Catalysis B-Environmental
T1  - Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method
VL  - 243
SP  - 585
EP  - 593
DO  - 10.1016/j.apcatb.2018.10.064
ER  - 

@article{
author = "Krstajić Pajić, Mila N. and Stevanović, Sanja and Radmilović, Vuk V. and Gavrilović-Wohlmuther, Aleksandra and Zabinski, Piotr and Elezović, Nevenka R. and Radmilović, Velimir R. and Gojković, Snežana Lj. and Jovanović, Vladislava M.",
year = "2019",
abstract = "Low loading PtAu nanoparticles supported on high area carbon were synthesized by water-in-oil microemulsion method and examined for formic acid and methanol oxidation. Prepared catalyst powder was characterized by Xray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). These techniques revealed that the catalyst contains rather agglomerated quasi-spherical particles, similar to 4 nm diameter, composed of a solid solution of Pt and Au with only similar to 4 at% of Au. In spite of such low Au content, both onset and peak potentials for CO oxidation are shifted some 150 mV to more positive values in comparison to Pt synthesized in the same manner due to stronger binding of CO as a result of notable electronic effect. It is important that this small quantity of Au also significantly influences oxidation of formic acid promoting direct path and suppressing indirect path in formic acid oxidation in a degree as expected by a much larger quantity of Au. Such improvement could be due exclusively by ensemble effect of high number of small Pt domains which formation could be possible only by very fine dispersion of such low Au quantity. High number of small Pt domains is corroborated by lower activity for methanol oxidation in comparison to Pt catalyst synthesized by the same procedure. These results emphasize the importance of the Au dispersion on the surface of Pt over its quantity in PtAu catalyst with regards to both, the ensemble and the electronic effects.",
publisher = "Amsterdam : Elsevier Science Bv",
journal = "Applied Catalysis B-Environmental",
title = "Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method",
volume = "243",
pages = "585-593",
doi = "10.1016/j.apcatb.2018.10.064"
}

Krstajić Pajić, M. N., Stevanović, S., Radmilović, V. V., Gavrilović-Wohlmuther, A., Zabinski, P., Elezović, N. R., Radmilović, V. R., Gojković, S. Lj.,& Jovanović, V. M.. (2019). Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method. in Applied Catalysis B-Environmental
Amsterdam : Elsevier Science Bv., 243, 585-593.
https://doi.org/10.1016/j.apcatb.2018.10.064

Krstajić Pajić MN, Stevanović S, Radmilović VV, Gavrilović-Wohlmuther A, Zabinski P, Elezović NR, Radmilović VR, Gojković SL, Jovanović VM. Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method. in Applied Catalysis B-Environmental. 2019;243:585-593.
doi:10.1016/j.apcatb.2018.10.064 .

Krstajić Pajić, Mila N., Stevanović, Sanja, Radmilović, Vuk V., Gavrilović-Wohlmuther, Aleksandra, Zabinski, Piotr, Elezović, Nevenka R., Radmilović, Velimir R., Gojković, Snežana Lj., Jovanović, Vladislava M., "Dispersion effect in formic acid oxidation on PtAu/C nanocatalyst prepared by water-in-oil microemulsion method" in Applied Catalysis B-Environmental, 243 (2019):585-593,
https://doi.org/10.1016/j.apcatb.2018.10.064 . .

TY  - JOUR
AU  - Krstajić Pajić, Mila N.
AU  - Stevanović, Sanja
AU  - Radmilović, Vuk V.
AU  - Gavrilović-Wohlmuther, Aleksandra
AU  - Rogan, Jelena R.
AU  - Radmilović, Velimir R.
AU  - Jovanović, Vladislava M.
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2282
AB  - PtAu systems are recognized as good catalysts for the oxidation of formic acid electrooxidation, which is investigated as a possible anodic reaction in low-temperature fuel cells. In this research, bimetallic PtAu nanoparticles, supported on high area carbon Vulcan XC-72R, were synthesized by water in oil microemulsion method. The precursor reduction process took place in a single microemulsion, simultaneously, in the presence of 35% of HCl in the water phase, as a capping agent. Electrochemical behavior of the PtAu/C catalyst was investigated at as prepared electrodes by cyclic voltammetry in 0.5M H2SO4 as a supporting electrolyte, and also in the oxidation of adsorbed CO. The results were compared to the Pt/C catalyst prepared by the same synthesis procedure. PtAu/C catalyst powder was also characterized by X-Ray Diffraction (XRD), High Resolution Transmission Electron Microscopy (HRTEM) and Energy Dispersive X-Ray Spectroscopy (EDS). Average particle diameter, of 2nm, was calculated from XRD data, which is close to the value of 2.82 nm obtained from TEM images. Compared to identically synthesized Pt nanoparticles, the bimetallic ones are significantly smaller. EDS maps of PtAu/C sample confirm the presence of both elements, and indicate a very fine distribution of Au in the sample. Elemental composition of about 20% Au and 80% Pt was also determined from these maps. Prepared catalyst was tested for formic acid electro-oxidation in terms of its activity and stability over the long term cycling. The voltammograms recorded indicate the change of reaction mechanism and better utilization of the catalyst surface in comparison to Pt/C.
AB  - PtAu sistemi se smatraju veoma dobrim katalizatorima za elektrooksidaciju mravlje kiseline, kao moguće anodne reakcije u niskotemperaturnim gorivnim galvanskim spregovima. U ovom radu bimetalne PtAu nanočestice sintetizovane su mikromulzionim postupkom, i u toku sinteze nanete na ugljenični nosač Vulcan XC-72R. Procesi redukcije prekursora odigravaju se simultano, unutar vodene faze iste mikroemulzije, u prisustvu 35% HCl. Elektrohemijske karakteristike katalizatora ispitivane su cikličnom voltametrijomv na 'as prepared' elektrodama u 0.5M H2SO4 kao osnovnom elektrolitu, kao i prilikom oksidacije adsorbovanog CO. Rezultati su upoređeni sa Pt/C katalizatorom sintetizovanim istim postupkom i pod istovetnim uslovima. Pripremljeni PtAu/C prah okarakterisan je takođe difrakcijom X-zraka, transmisionom elektronskom mikroskopijom i energetski disperzionom spektroskoijom. Veličina čestice određena analizom difraktograma X-zraka iznosi 2nm, što je blisko vrednosti dobijenoj analizom TEM snimaka od 2.82 nm. U poređenju sa Pt nanočesticama sintetizovanim na isti način, bimetalne nanočestice su znatno manjeg prečnika. Mape uzorka PtAu/C dobijene energetski disperzionom spektroskopijom potvrđuju prisustvo oba elementa i pokazuju veoma finu distribuciju Au u uzorku. Analizo mapa utvrđeno je i da je katalizator sastava 20% Au i 80% Pt. Konačno, ispitane su aktivnost i stabilnost bimetalnog katalizatora za oksidaciju mravlje kiseline. Snimljeni voltamogrami ukazuju na promenu reakcionog mehanizma i bolje iskorišćenje površine katalizatora u poređenju ra Pt/C katalizatorom sintetizovanim istim postupkom.
PB  - Belgrade, Serbia : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - PtAu catalyst with enhanced activity for formic acid oxidation
T1  - PtAu katalizator sa poboljšanom aktivnošću za reakciju oksidacije mravlje kiseline
VL  - 59
IS  - 2
SP  - 159
EP  - 166
DO  - 10.5937/ZasMat1802159K
ER  - 

@article{
author = "Krstajić Pajić, Mila N. and Stevanović, Sanja and Radmilović, Vuk V. and Gavrilović-Wohlmuther, Aleksandra and Rogan, Jelena R. and Radmilović, Velimir R. and Jovanović, Vladislava M.",
year = "2018",
abstract = "PtAu systems are recognized as good catalysts for the oxidation of formic acid electrooxidation, which is investigated as a possible anodic reaction in low-temperature fuel cells. In this research, bimetallic PtAu nanoparticles, supported on high area carbon Vulcan XC-72R, were synthesized by water in oil microemulsion method. The precursor reduction process took place in a single microemulsion, simultaneously, in the presence of 35% of HCl in the water phase, as a capping agent. Electrochemical behavior of the PtAu/C catalyst was investigated at as prepared electrodes by cyclic voltammetry in 0.5M H2SO4 as a supporting electrolyte, and also in the oxidation of adsorbed CO. The results were compared to the Pt/C catalyst prepared by the same synthesis procedure. PtAu/C catalyst powder was also characterized by X-Ray Diffraction (XRD), High Resolution Transmission Electron Microscopy (HRTEM) and Energy Dispersive X-Ray Spectroscopy (EDS). Average particle diameter, of 2nm, was calculated from XRD data, which is close to the value of 2.82 nm obtained from TEM images. Compared to identically synthesized Pt nanoparticles, the bimetallic ones are significantly smaller. EDS maps of PtAu/C sample confirm the presence of both elements, and indicate a very fine distribution of Au in the sample. Elemental composition of about 20% Au and 80% Pt was also determined from these maps. Prepared catalyst was tested for formic acid electro-oxidation in terms of its activity and stability over the long term cycling. The voltammograms recorded indicate the change of reaction mechanism and better utilization of the catalyst surface in comparison to Pt/C., PtAu sistemi se smatraju veoma dobrim katalizatorima za elektrooksidaciju mravlje kiseline, kao moguće anodne reakcije u niskotemperaturnim gorivnim galvanskim spregovima. U ovom radu bimetalne PtAu nanočestice sintetizovane su mikromulzionim postupkom, i u toku sinteze nanete na ugljenični nosač Vulcan XC-72R. Procesi redukcije prekursora odigravaju se simultano, unutar vodene faze iste mikroemulzije, u prisustvu 35% HCl. Elektrohemijske karakteristike katalizatora ispitivane su cikličnom voltametrijomv na 'as prepared' elektrodama u 0.5M H2SO4 kao osnovnom elektrolitu, kao i prilikom oksidacije adsorbovanog CO. Rezultati su upoređeni sa Pt/C katalizatorom sintetizovanim istim postupkom i pod istovetnim uslovima. Pripremljeni PtAu/C prah okarakterisan je takođe difrakcijom X-zraka, transmisionom elektronskom mikroskopijom i energetski disperzionom spektroskoijom. Veličina čestice određena analizom difraktograma X-zraka iznosi 2nm, što je blisko vrednosti dobijenoj analizom TEM snimaka od 2.82 nm. U poređenju sa Pt nanočesticama sintetizovanim na isti način, bimetalne nanočestice su znatno manjeg prečnika. Mape uzorka PtAu/C dobijene energetski disperzionom spektroskopijom potvrđuju prisustvo oba elementa i pokazuju veoma finu distribuciju Au u uzorku. Analizo mapa utvrđeno je i da je katalizator sastava 20% Au i 80% Pt. Konačno, ispitane su aktivnost i stabilnost bimetalnog katalizatora za oksidaciju mravlje kiseline. Snimljeni voltamogrami ukazuju na promenu reakcionog mehanizma i bolje iskorišćenje površine katalizatora u poređenju ra Pt/C katalizatorom sintetizovanim istim postupkom.",
publisher = "Belgrade, Serbia : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "PtAu catalyst with enhanced activity for formic acid oxidation, PtAu katalizator sa poboljšanom aktivnošću za reakciju oksidacije mravlje kiseline",
volume = "59",
number = "2",
pages = "159-166",
doi = "10.5937/ZasMat1802159K"
}

Krstajić Pajić, M. N., Stevanović, S., Radmilović, V. V., Gavrilović-Wohlmuther, A., Rogan, J. R., Radmilović, V. R.,& Jovanović, V. M.. (2018). PtAu catalyst with enhanced activity for formic acid oxidation. in Zaštita materijala
Belgrade, Serbia : Engineering Society for Corrosion., 59(2), 159-166.
https://doi.org/10.5937/ZasMat1802159K

Krstajić Pajić MN, Stevanović S, Radmilović VV, Gavrilović-Wohlmuther A, Rogan JR, Radmilović VR, Jovanović VM. PtAu catalyst with enhanced activity for formic acid oxidation. in Zaštita materijala. 2018;59(2):159-166.
doi:10.5937/ZasMat1802159K .

Krstajić Pajić, Mila N., Stevanović, Sanja, Radmilović, Vuk V., Gavrilović-Wohlmuther, Aleksandra, Rogan, Jelena R., Radmilović, Velimir R., Jovanović, Vladislava M., "PtAu catalyst with enhanced activity for formic acid oxidation" in Zaštita materijala, 59, no. 2 (2018):159-166,
https://doi.org/10.5937/ZasMat1802159K . .

TY  - JOUR
AU  - Krstajić Pajić, Mila N.
AU  - Stevanović, Sanja
AU  - Radmilović, Vuk V.
AU  - Gavrilović-Wohlmuther, Aleksandra
AU  - Radmilović, Velimir R.
AU  - Gojković, Snežana Lj.
AU  - Jovanović, Vladislava M.
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4294
AB  - In this research, a water-in-oil microemulsion method with HCl as a capping agent was applied to synthesize carbon supported Pt catalysts. Varying the concentration of HCl caused changes in the shape of obtained nanoparticles, i.e. preferential growth of certain facets. Addition of catalyst support in the synthesis process facilitated the cleaning procedures necessary to remove the surfactant residues. Prepared catalyst powders were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD analysis indicated the influence of HCl addition on the crystallite size and crystal habit. TEM revealed that addition of higher amounts of the capping agent led to the formation of a noticable amount of particles with concave cubic or branched-like structures. Influence of the catalyst particles shape on its electrochemical properties was tested in the oxidations of COads, ammonia and formic acid. The latter one was examined in terms of both activity and stability of as prepared and oxide-annealed (electrochemically treated) catalysts. The results clearly demonstrate that even small changes in the nanoparticle surface structure give rise to distinct modifications in their properties. Concave cubic particles, in comparison to other catalysts, show improved catalytic properties and the contribution of their preferentially oriented {100} facets is electrochemically detectable.
PB  - Elsevier
T2  - Applied Catalysis B-Environmental
T1  - Shape evolution of carbon supported Pt nanoparticles: From synthesis to application
VL  - 196
SP  - 174
EP  - 184
DO  - 10.1016/j.apcatb.2016.05.033
ER  - 

@article{
author = "Krstajić Pajić, Mila N. and Stevanović, Sanja and Radmilović, Vuk V. and Gavrilović-Wohlmuther, Aleksandra and Radmilović, Velimir R. and Gojković, Snežana Lj. and Jovanović, Vladislava M.",
year = "2016",
abstract = "In this research, a water-in-oil microemulsion method with HCl as a capping agent was applied to synthesize carbon supported Pt catalysts. Varying the concentration of HCl caused changes in the shape of obtained nanoparticles, i.e. preferential growth of certain facets. Addition of catalyst support in the synthesis process facilitated the cleaning procedures necessary to remove the surfactant residues. Prepared catalyst powders were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD analysis indicated the influence of HCl addition on the crystallite size and crystal habit. TEM revealed that addition of higher amounts of the capping agent led to the formation of a noticable amount of particles with concave cubic or branched-like structures. Influence of the catalyst particles shape on its electrochemical properties was tested in the oxidations of COads, ammonia and formic acid. The latter one was examined in terms of both activity and stability of as prepared and oxide-annealed (electrochemically treated) catalysts. The results clearly demonstrate that even small changes in the nanoparticle surface structure give rise to distinct modifications in their properties. Concave cubic particles, in comparison to other catalysts, show improved catalytic properties and the contribution of their preferentially oriented {100} facets is electrochemically detectable.",
publisher = "Elsevier",
journal = "Applied Catalysis B-Environmental",
title = "Shape evolution of carbon supported Pt nanoparticles: From synthesis to application",
volume = "196",
pages = "174-184",
doi = "10.1016/j.apcatb.2016.05.033"
}

Krstajić Pajić, M. N., Stevanović, S., Radmilović, V. V., Gavrilović-Wohlmuther, A., Radmilović, V. R., Gojković, S. Lj.,& Jovanović, V. M.. (2016). Shape evolution of carbon supported Pt nanoparticles: From synthesis to application. in Applied Catalysis B-Environmental
Elsevier., 196, 174-184.
https://doi.org/10.1016/j.apcatb.2016.05.033

Krstajić Pajić MN, Stevanović S, Radmilović VV, Gavrilović-Wohlmuther A, Radmilović VR, Gojković SL, Jovanović VM. Shape evolution of carbon supported Pt nanoparticles: From synthesis to application. in Applied Catalysis B-Environmental. 2016;196:174-184.
doi:10.1016/j.apcatb.2016.05.033 .

Krstajić Pajić, Mila N., Stevanović, Sanja, Radmilović, Vuk V., Gavrilović-Wohlmuther, Aleksandra, Radmilović, Velimir R., Gojković, Snežana Lj., Jovanović, Vladislava M., "Shape evolution of carbon supported Pt nanoparticles: From synthesis to application" in Applied Catalysis B-Environmental, 196 (2016):174-184,
https://doi.org/10.1016/j.apcatb.2016.05.033 . .

TY  - JOUR
AU  - Krstajić Pajić, Mila N.
AU  - Stevanović, Sanja
AU  - Radmilović, Vuk V.
AU  - Gavrilović-Wohlmuther, Aleksandra
AU  - Radmilović, Velimir R.
AU  - Gojković, Snežana Lj.
AU  - Jovanović, Vladislava M.
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1855
AB  - In this research, a water-in-oil microemulsion method with HCl as a capping agent was applied to synthesize carbon supported Pt catalysts. Varying the concentration of HCl caused changes in the shape of obtained nanoparticles, i.e. preferential growth of certain facets. Addition of catalyst support in the synthesis process facilitated the cleaning procedures necessary to remove the surfactant residues. Prepared catalyst powders were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD analysis indicated the influence of HCl addition on the crystallite size and crystal habit. TEM revealed that addition of higher amounts of the capping agent led to the formation of a noticable amount of particles with concave cubic or branched-like structures. Influence of the catalyst particles shape on its electrochemical properties was tested in the oxidations of COads, ammonia and formic acid. The latter one was examined in terms of both activity and stability of as prepared and oxide-annealed (electrochemically treated) catalysts. The results clearly demonstrate that even small changes in the nanoparticle surface structure give rise to distinct modifications in their properties. Concave cubic particles, in comparison to other catalysts, show improved catalytic properties and the contribution of their preferentially oriented {100} facets is electrochemically detectable.
PB  - Elsevier
T2  - Applied Catalysis B-Environmental
T1  - Shape evolution of carbon supported Pt nanoparticles: From synthesis to application
VL  - 196
SP  - 174
EP  - 184
DO  - 10.1016/j.apcatb.2016.05.033
ER  - 

@article{
author = "Krstajić Pajić, Mila N. and Stevanović, Sanja and Radmilović, Vuk V. and Gavrilović-Wohlmuther, Aleksandra and Radmilović, Velimir R. and Gojković, Snežana Lj. and Jovanović, Vladislava M.",
year = "2016",
abstract = "In this research, a water-in-oil microemulsion method with HCl as a capping agent was applied to synthesize carbon supported Pt catalysts. Varying the concentration of HCl caused changes in the shape of obtained nanoparticles, i.e. preferential growth of certain facets. Addition of catalyst support in the synthesis process facilitated the cleaning procedures necessary to remove the surfactant residues. Prepared catalyst powders were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD analysis indicated the influence of HCl addition on the crystallite size and crystal habit. TEM revealed that addition of higher amounts of the capping agent led to the formation of a noticable amount of particles with concave cubic or branched-like structures. Influence of the catalyst particles shape on its electrochemical properties was tested in the oxidations of COads, ammonia and formic acid. The latter one was examined in terms of both activity and stability of as prepared and oxide-annealed (electrochemically treated) catalysts. The results clearly demonstrate that even small changes in the nanoparticle surface structure give rise to distinct modifications in their properties. Concave cubic particles, in comparison to other catalysts, show improved catalytic properties and the contribution of their preferentially oriented {100} facets is electrochemically detectable.",
publisher = "Elsevier",
journal = "Applied Catalysis B-Environmental",
title = "Shape evolution of carbon supported Pt nanoparticles: From synthesis to application",
volume = "196",
pages = "174-184",
doi = "10.1016/j.apcatb.2016.05.033"
}

Krstajić Pajić, M. N., Stevanović, S., Radmilović, V. V., Gavrilović-Wohlmuther, A., Radmilović, V. R., Gojković, S. Lj.,& Jovanović, V. M.. (2016). Shape evolution of carbon supported Pt nanoparticles: From synthesis to application. in Applied Catalysis B-Environmental
Elsevier., 196, 174-184.
https://doi.org/10.1016/j.apcatb.2016.05.033

Krstajić Pajić MN, Stevanović S, Radmilović VV, Gavrilović-Wohlmuther A, Radmilović VR, Gojković SL, Jovanović VM. Shape evolution of carbon supported Pt nanoparticles: From synthesis to application. in Applied Catalysis B-Environmental. 2016;196:174-184.
doi:10.1016/j.apcatb.2016.05.033 .

Krstajić Pajić, Mila N., Stevanović, Sanja, Radmilović, Vuk V., Gavrilović-Wohlmuther, Aleksandra, Radmilović, Velimir R., Gojković, Snežana Lj., Jovanović, Vladislava M., "Shape evolution of carbon supported Pt nanoparticles: From synthesis to application" in Applied Catalysis B-Environmental, 196 (2016):174-184,
https://doi.org/10.1016/j.apcatb.2016.05.033 . .

TY  - JOUR
AU  - Krstajić Pajić, Mila N.
AU  - Stevanović, Sanja
AU  - Radmilović, Vuk V.
AU  - Rogan, Jelena R.
AU  - Radmilović, Velimir R.
AU  - Gojković, Snežana Lj.
AU  - Jovanović, Vladislava M.
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1986
AB  - Pt nanoparticles supported on Vulcan XC-72R were synthesized by water-in-oil microemulsion method. By incorporating different amounts of HCl as a capping agent in the precursor-containing water phase, nanoparticle shape was varied. Influencing the growth of certain facets leads to the changes of the particle shape depending on the preferential facets. As a result, nanoparticles exhibit some of the electrochemical features typical for single crystals. Commonly employed synthesis procedure for water-in-oil microemulsion method was altered with the addition of catalyst support in the system and changing the catalyst cleaning steps. Prepared catalysts were characterized by thermogravimetric analysis (TGA), transmission electron microscopy (TEM) and electrochemical methods. Activity and stability for methanol oxidation reaction (MOR), a structure-sensitive reaction, were tested. Electrochemical results reveal the influence of particle size, shape and exposed facets on the electrochemical processes. TEM investigations confirm electrochemical findings, while TGA verifies Pt loading in catalyst powder. Based on the results, optimal HCl concentration for cubic particle formation is determined, and structural effect on MOR activity and stability was tested. Cuboidal NPs show very good reaction activity and fair stability under applied experimental conditions.
PB  - Springer, New York
T2  - Journal of Solid State Electrochemistry
T1  - Pt/C nanocatalysts for methanol electrooxidation prepared by water-in-oil microemulsion method
VL  - 20
IS  - 12
SP  - 3405
EP  - 3414
DO  - 10.1007/s10008-016-3319-z
ER  - 

@article{
author = "Krstajić Pajić, Mila N. and Stevanović, Sanja and Radmilović, Vuk V. and Rogan, Jelena R. and Radmilović, Velimir R. and Gojković, Snežana Lj. and Jovanović, Vladislava M.",
year = "2016",
abstract = "Pt nanoparticles supported on Vulcan XC-72R were synthesized by water-in-oil microemulsion method. By incorporating different amounts of HCl as a capping agent in the precursor-containing water phase, nanoparticle shape was varied. Influencing the growth of certain facets leads to the changes of the particle shape depending on the preferential facets. As a result, nanoparticles exhibit some of the electrochemical features typical for single crystals. Commonly employed synthesis procedure for water-in-oil microemulsion method was altered with the addition of catalyst support in the system and changing the catalyst cleaning steps. Prepared catalysts were characterized by thermogravimetric analysis (TGA), transmission electron microscopy (TEM) and electrochemical methods. Activity and stability for methanol oxidation reaction (MOR), a structure-sensitive reaction, were tested. Electrochemical results reveal the influence of particle size, shape and exposed facets on the electrochemical processes. TEM investigations confirm electrochemical findings, while TGA verifies Pt loading in catalyst powder. Based on the results, optimal HCl concentration for cubic particle formation is determined, and structural effect on MOR activity and stability was tested. Cuboidal NPs show very good reaction activity and fair stability under applied experimental conditions.",
publisher = "Springer, New York",
journal = "Journal of Solid State Electrochemistry",
title = "Pt/C nanocatalysts for methanol electrooxidation prepared by water-in-oil microemulsion method",
volume = "20",
number = "12",
pages = "3405-3414",
doi = "10.1007/s10008-016-3319-z"
}

Krstajić Pajić, M. N., Stevanović, S., Radmilović, V. V., Rogan, J. R., Radmilović, V. R., Gojković, S. Lj.,& Jovanović, V. M.. (2016). Pt/C nanocatalysts for methanol electrooxidation prepared by water-in-oil microemulsion method. in Journal of Solid State Electrochemistry
Springer, New York., 20(12), 3405-3414.
https://doi.org/10.1007/s10008-016-3319-z

Krstajić Pajić MN, Stevanović S, Radmilović VV, Rogan JR, Radmilović VR, Gojković SL, Jovanović VM. Pt/C nanocatalysts for methanol electrooxidation prepared by water-in-oil microemulsion method. in Journal of Solid State Electrochemistry. 2016;20(12):3405-3414.
doi:10.1007/s10008-016-3319-z .

Krstajić Pajić, Mila N., Stevanović, Sanja, Radmilović, Vuk V., Rogan, Jelena R., Radmilović, Velimir R., Gojković, Snežana Lj., Jovanović, Vladislava M., "Pt/C nanocatalysts for methanol electrooxidation prepared by water-in-oil microemulsion method" in Journal of Solid State Electrochemistry, 20, no. 12 (2016):3405-3414,
https://doi.org/10.1007/s10008-016-3319-z . .

TY  - CONF
AU  - Gajić Krstajić, Ljiljana
AU  - Zabinski, Piotr
AU  - Radmilović, Velimir R.
AU  - Ercius, Peter
AU  - Krstajić Pajić, Mila N.
AU  - Lačnjevac, Uroš
AU  - Krstajić, Nedeljko
AU  - Elezović, Nevenka
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/895
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2862
AB  - Tungsten carbide was prepared by polycondensation of resorcinol and formaldehyde in the presence cetyltrimethylammonium bromide (CTABr) surfactant. Pd nanocatalyst at this support was synthesized by borohydride reduction method. The obtained materials were characterized by XRD, HRTEM, EELS, XPS and electrochemical measurements. TEM analysis revealed Pd nanoparticles size in the range of a few nanometers, even the clusters of Pd atoms. X-Ray Photoelectron Spectroscopy was applied to determine surface composition of the substrates. The presence of palladium based species was revealed. The catalytic activity for the hydrogen oxidation reaction and oxygen reduction were investigated in 0.5 M HClO4 by cyclic voltammetry and linear sweep voltammetry at the rotating disc electrode. The catalysts’ activities were compared to the carbon supported Pd nanoparticles (Vulcan XC 72). WC supported Pd nanoparticles have shown higher CO tolerance, compared even to Pt based catalyst. Acknowledgements: This work was financially supported by Ministry of Education, Science and Technological Development, Republic of Serbia, contract No. 172054.The authors would like to acknowledge networking support by the COST Action MP1407.
PB  - Belgrade : Materials Research Society of Serbia
C3  - Programme and The Book of Abstracts / Eighteenth Annual Conference YUCOMAT 2016, Herceg Novi, September 5-10, 2016
T1  - Synthesis and characterization of Pd nanocatalyst at tungsten carbide based support for fuel cells application
SP  - 71
EP  - 71
UR  - https://hdl.handle.net/21.15107/rcub_dais_895
ER  - 

@conference{
author = "Gajić Krstajić, Ljiljana and Zabinski, Piotr and Radmilović, Velimir R. and Ercius, Peter and Krstajić Pajić, Mila N. and Lačnjevac, Uroš and Krstajić, Nedeljko and Elezović, Nevenka",
year = "2016",
abstract = "Tungsten carbide was prepared by polycondensation of resorcinol and formaldehyde in the presence cetyltrimethylammonium bromide (CTABr) surfactant. Pd nanocatalyst at this support was synthesized by borohydride reduction method. The obtained materials were characterized by XRD, HRTEM, EELS, XPS and electrochemical measurements. TEM analysis revealed Pd nanoparticles size in the range of a few nanometers, even the clusters of Pd atoms. X-Ray Photoelectron Spectroscopy was applied to determine surface composition of the substrates. The presence of palladium based species was revealed. The catalytic activity for the hydrogen oxidation reaction and oxygen reduction were investigated in 0.5 M HClO4 by cyclic voltammetry and linear sweep voltammetry at the rotating disc electrode. The catalysts’ activities were compared to the carbon supported Pd nanoparticles (Vulcan XC 72). WC supported Pd nanoparticles have shown higher CO tolerance, compared even to Pt based catalyst. Acknowledgements: This work was financially supported by Ministry of Education, Science and Technological Development, Republic of Serbia, contract No. 172054.The authors would like to acknowledge networking support by the COST Action MP1407.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "Programme and The Book of Abstracts / Eighteenth Annual Conference YUCOMAT 2016, Herceg Novi, September 5-10, 2016",
title = "Synthesis and characterization of Pd nanocatalyst at tungsten carbide based support for fuel cells application",
pages = "71-71",
url = "https://hdl.handle.net/21.15107/rcub_dais_895"
}

Gajić Krstajić, L., Zabinski, P., Radmilović, V. R., Ercius, P., Krstajić Pajić, M. N., Lačnjevac, U., Krstajić, N.,& Elezović, N.. (2016). Synthesis and characterization of Pd nanocatalyst at tungsten carbide based support for fuel cells application. in Programme and The Book of Abstracts / Eighteenth Annual Conference YUCOMAT 2016, Herceg Novi, September 5-10, 2016
Belgrade : Materials Research Society of Serbia., 71-71.
https://hdl.handle.net/21.15107/rcub_dais_895

Gajić Krstajić L, Zabinski P, Radmilović VR, Ercius P, Krstajić Pajić MN, Lačnjevac U, Krstajić N, Elezović N. Synthesis and characterization of Pd nanocatalyst at tungsten carbide based support for fuel cells application. in Programme and The Book of Abstracts / Eighteenth Annual Conference YUCOMAT 2016, Herceg Novi, September 5-10, 2016. 2016;:71-71.
https://hdl.handle.net/21.15107/rcub_dais_895 .

Gajić Krstajić, Ljiljana, Zabinski, Piotr, Radmilović, Velimir R., Ercius, Peter, Krstajić Pajić, Mila N., Lačnjevac, Uroš, Krstajić, Nedeljko, Elezović, Nevenka, "Synthesis and characterization of Pd nanocatalyst at tungsten carbide based support for fuel cells application" in Programme and The Book of Abstracts / Eighteenth Annual Conference YUCOMAT 2016, Herceg Novi, September 5-10, 2016 (2016):71-71,
https://hdl.handle.net/21.15107/rcub_dais_895 .