TY  - JOUR
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovanović, Ljiljana S.
AU  - Pavlović, Miroslav M.
AU  - Jovićević, Jovan N.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3358
AB  - In this study niobium oxide films were formed without peroxo-precursors from three different mixed acidic aqueous solutions on glassy carbon. Linear sweep voltammetry and potential step were techniques used for electrochemical experiments. The simultaneous and consecutive electrochemical reduction of water, nitrate and sulphate ions provided an alkaline environment with oxygen in the near vicinity of the working cathode, which in combination with the present niobium ions, produced niobium oxides and/or oxyhydroxides on the glassy carbon substrate. The formed deposits were analyzed using scanning electron microscopy and energy dispersive spectroscopy and appear to consist of NbO, NbO2 and Nb2O5. Both the niobium and acid concentration of the electrolytes used influenced the morphology and particle size of the deposits. The formation of niobium-fluoride and hydrogen-niobiumoxide complexes is addressed.
PB  - Skopje, North Macedonia : Society of Chemists and Technologists of Macedonia
T2  - Macedonian Journal of Chemistry and Chemical Engineering
T1  - Formation of niobium oxides by electrolysis from acidic aqueous solutions on glassy carbon
VL  - 38
IS  - 1
SP  - 39
EP  - 48
DO  - 10.20450/mjcce.2019.1623
ER  - 

@article{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovanović, Ljiljana S. and Pavlović, Miroslav M. and Jovićević, Jovan N.",
year = "2019",
abstract = "In this study niobium oxide films were formed without peroxo-precursors from three different mixed acidic aqueous solutions on glassy carbon. Linear sweep voltammetry and potential step were techniques used for electrochemical experiments. The simultaneous and consecutive electrochemical reduction of water, nitrate and sulphate ions provided an alkaline environment with oxygen in the near vicinity of the working cathode, which in combination with the present niobium ions, produced niobium oxides and/or oxyhydroxides on the glassy carbon substrate. The formed deposits were analyzed using scanning electron microscopy and energy dispersive spectroscopy and appear to consist of NbO, NbO2 and Nb2O5. Both the niobium and acid concentration of the electrolytes used influenced the morphology and particle size of the deposits. The formation of niobium-fluoride and hydrogen-niobiumoxide complexes is addressed.",
publisher = "Skopje, North Macedonia : Society of Chemists and Technologists of Macedonia",
journal = "Macedonian Journal of Chemistry and Chemical Engineering",
title = "Formation of niobium oxides by electrolysis from acidic aqueous solutions on glassy carbon",
volume = "38",
number = "1",
pages = "39-48",
doi = "10.20450/mjcce.2019.1623"
}

Vukićević, N., Cvetković, V. S., Jovanović, L. S., Pavlović, M. M.,& Jovićević, J. N.. (2019). Formation of niobium oxides by electrolysis from acidic aqueous solutions on glassy carbon. in Macedonian Journal of Chemistry and Chemical Engineering
Skopje, North Macedonia : Society of Chemists and Technologists of Macedonia., 38(1), 39-48.
https://doi.org/10.20450/mjcce.2019.1623

Vukićević N, Cvetković VS, Jovanović LS, Pavlović MM, Jovićević JN. Formation of niobium oxides by electrolysis from acidic aqueous solutions on glassy carbon. in Macedonian Journal of Chemistry and Chemical Engineering. 2019;38(1):39-48.
doi:10.20450/mjcce.2019.1623 .

Vukićević, Nataša, Cvetković, Vesna S., Jovanović, Ljiljana S., Pavlović, Miroslav M., Jovićević, Jovan N., "Formation of niobium oxides by electrolysis from acidic aqueous solutions on glassy carbon" in Macedonian Journal of Chemistry and Chemical Engineering, 38, no. 1 (2019):39-48,
https://doi.org/10.20450/mjcce.2019.1623 . .

TY  - JOUR
AU  - Filipovic, Nenad R.
AU  - Elshaflu, Hana
AU  - Grubišić, Sonja
AU  - Jovanović, Ljiljana S.
AU  - Rodić, Marko V.
AU  - Novaković, Irena
AU  - Malešević, Aleksandar S.
AU  - Đorđević, Ivana
AU  - Li, Haidong
AU  - Šojić, Nešo
AU  - Marinković, Aleksandar D.
AU  - Todorović, Tamara
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2188
AB  - The first Co(III) complexes with (1,3-selenazol-2-yl)hydrazones as an unexplored class of ligands were prepared and characterized by NMR spectroscopy and X-ray diffraction analysis. The novel ligands act as NNN tridentate chelators forming octahedral Co(III) complexes. The impact of structural changes on ligands' periphery as well as that of isosteric replacement of sulphur with selenium on the electrochemical and electronic absorption features of complexes are explored. To support the experimental data, density functional theory (DFT) calculations were also conducted. Theoretical NMR chemical shifts, the relative energies and natural bond orbital (NBO) analysis are calculated within the DFT approach, while the singlet excited state energies and HOMO-LUMO energy gap were calculated with time-dependent density functional theory (TD-DFT). The electrophilic f(-) and nucleophilic f(+) Fukui functions are well adapted to find the electrophile and nucleophile centres in the molecules. Both (1,3-selenazol-2-yl)- and (1,3-thiazol-2-yl) hydrazone Co(III) complexes showed potent antimicrobial and antioxidant activity. A significant difference among them was a smaller cytotoxicity of selenium compounds.
PB  - Royal Soc Chemistry, Cambridge
T2  - Dalton Transactions
T1  - Co(III) complexes of (1,3-selenazol-2-yl)hydrazones and their sulphur analogues
VL  - 46
IS  - 9
SP  - 2910
EP  - 2924
DO  - 10.1039/c6dt04785h
ER  - 

@article{
author = "Filipovic, Nenad R. and Elshaflu, Hana and Grubišić, Sonja and Jovanović, Ljiljana S. and Rodić, Marko V. and Novaković, Irena and Malešević, Aleksandar S. and Đorđević, Ivana and Li, Haidong and Šojić, Nešo and Marinković, Aleksandar D. and Todorović, Tamara",
year = "2017",
abstract = "The first Co(III) complexes with (1,3-selenazol-2-yl)hydrazones as an unexplored class of ligands were prepared and characterized by NMR spectroscopy and X-ray diffraction analysis. The novel ligands act as NNN tridentate chelators forming octahedral Co(III) complexes. The impact of structural changes on ligands' periphery as well as that of isosteric replacement of sulphur with selenium on the electrochemical and electronic absorption features of complexes are explored. To support the experimental data, density functional theory (DFT) calculations were also conducted. Theoretical NMR chemical shifts, the relative energies and natural bond orbital (NBO) analysis are calculated within the DFT approach, while the singlet excited state energies and HOMO-LUMO energy gap were calculated with time-dependent density functional theory (TD-DFT). The electrophilic f(-) and nucleophilic f(+) Fukui functions are well adapted to find the electrophile and nucleophile centres in the molecules. Both (1,3-selenazol-2-yl)- and (1,3-thiazol-2-yl) hydrazone Co(III) complexes showed potent antimicrobial and antioxidant activity. A significant difference among them was a smaller cytotoxicity of selenium compounds.",
publisher = "Royal Soc Chemistry, Cambridge",
journal = "Dalton Transactions",
title = "Co(III) complexes of (1,3-selenazol-2-yl)hydrazones and their sulphur analogues",
volume = "46",
number = "9",
pages = "2910-2924",
doi = "10.1039/c6dt04785h"
}

Filipovic, N. R., Elshaflu, H., Grubišić, S., Jovanović, L. S., Rodić, M. V., Novaković, I., Malešević, A. S., Đorđević, I., Li, H., Šojić, N., Marinković, A. D.,& Todorović, T.. (2017). Co(III) complexes of (1,3-selenazol-2-yl)hydrazones and their sulphur analogues. in Dalton Transactions
Royal Soc Chemistry, Cambridge., 46(9), 2910-2924.
https://doi.org/10.1039/c6dt04785h

Filipovic NR, Elshaflu H, Grubišić S, Jovanović LS, Rodić MV, Novaković I, Malešević AS, Đorđević I, Li H, Šojić N, Marinković AD, Todorović T. Co(III) complexes of (1,3-selenazol-2-yl)hydrazones and their sulphur analogues. in Dalton Transactions. 2017;46(9):2910-2924.
doi:10.1039/c6dt04785h .

Filipovic, Nenad R., Elshaflu, Hana, Grubišić, Sonja, Jovanović, Ljiljana S., Rodić, Marko V., Novaković, Irena, Malešević, Aleksandar S., Đorđević, Ivana, Li, Haidong, Šojić, Nešo, Marinković, Aleksandar D., Todorović, Tamara, "Co(III) complexes of (1,3-selenazol-2-yl)hydrazones and their sulphur analogues" in Dalton Transactions, 46, no. 9 (2017):2910-2924,
https://doi.org/10.1039/c6dt04785h . .

TY  - JOUR
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovanović, Ljiljana S.
AU  - Stevanović, Sanja
AU  - Jovićević, Jovan N.
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2182
AB  - Niobium and aluminium have been electrodeposited from inorganic chloroaluminate melts onto gold substrate at 473 K. The melts were prepared from an equimolar mixture of AlCl3+NaCl with niobium added by anodic dissolution. It was found that aluminium and niobium underpotential deposition on gold precedes overpotential deposition of niobium and subsequent aluminium deposition. Niobium was overpotentially deposited individually and co-deposited with aluminium. Applied electrochemical techniques (linear sweep voltammetry, polarization, open circuit and potential step) indicated, then physical analytical methods (scanning electron microscopy, energy dispersive spectrometry, atomic force microscopy and X-ray diffraction) confirmed formation of several niobium-aluminium, niobiumgold and aluminium- gold alloys in niobium and aluminium underpotential as well as in niobium and aluminium overpotential regions.
PB  - Esg, Belgrade
T2  - International Journal of Electrochemical Science
T1  - Alloy Formation by Electrodeposition of Niobium and Aluminium on Gold from Chloroaluminate Melts
VL  - 12
IS  - 2
SP  - 1075
EP  - 1093
DO  - 10.20964/2017.02.34
ER  - 

@article{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovanović, Ljiljana S. and Stevanović, Sanja and Jovićević, Jovan N.",
year = "2017",
abstract = "Niobium and aluminium have been electrodeposited from inorganic chloroaluminate melts onto gold substrate at 473 K. The melts were prepared from an equimolar mixture of AlCl3+NaCl with niobium added by anodic dissolution. It was found that aluminium and niobium underpotential deposition on gold precedes overpotential deposition of niobium and subsequent aluminium deposition. Niobium was overpotentially deposited individually and co-deposited with aluminium. Applied electrochemical techniques (linear sweep voltammetry, polarization, open circuit and potential step) indicated, then physical analytical methods (scanning electron microscopy, energy dispersive spectrometry, atomic force microscopy and X-ray diffraction) confirmed formation of several niobium-aluminium, niobiumgold and aluminium- gold alloys in niobium and aluminium underpotential as well as in niobium and aluminium overpotential regions.",
publisher = "Esg, Belgrade",
journal = "International Journal of Electrochemical Science",
title = "Alloy Formation by Electrodeposition of Niobium and Aluminium on Gold from Chloroaluminate Melts",
volume = "12",
number = "2",
pages = "1075-1093",
doi = "10.20964/2017.02.34"
}

Vukićević, N., Cvetković, V. S., Jovanović, L. S., Stevanović, S.,& Jovićević, J. N.. (2017). Alloy Formation by Electrodeposition of Niobium and Aluminium on Gold from Chloroaluminate Melts. in International Journal of Electrochemical Science
Esg, Belgrade., 12(2), 1075-1093.
https://doi.org/10.20964/2017.02.34

Vukićević N, Cvetković VS, Jovanović LS, Stevanović S, Jovićević JN. Alloy Formation by Electrodeposition of Niobium and Aluminium on Gold from Chloroaluminate Melts. in International Journal of Electrochemical Science. 2017;12(2):1075-1093.
doi:10.20964/2017.02.34 .

Vukićević, Nataša, Cvetković, Vesna S., Jovanović, Ljiljana S., Stevanović, Sanja, Jovićević, Jovan N., "Alloy Formation by Electrodeposition of Niobium and Aluminium on Gold from Chloroaluminate Melts" in International Journal of Electrochemical Science, 12, no. 2 (2017):1075-1093,
https://doi.org/10.20964/2017.02.34 . .

TY  - CONF
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovanović, Ljiljana S.
AU  - Jovićević, Jovan N.
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2633
AB  - Electrochemical synthesis of niobium oxides from four different strongly acidic solutions onto vitreous carbon electrodes was studied. Linear sweep voltammetry and potential step techniques were used for electrochemical experiments and scanning electron microscopy and energy dispersive spectroscopy for analysis of the working electrode surface and deposits formed. Change of the working electrode potential to negative values, negative to 0.5 V vs. SCE, leads to simultaneous reduction of niobium, hydrogen, nitrate and sulphated ions, which induces alkaline media in the immediate vicinity of the electrode surface and formation of several niobium oxides and oxyhidoxides. Despite reduction of niobium ions there are no firm evidence of the permanent metal niobium clusters. Change of the electrode potential into positive direction, positive to – 1.000 vs. SCE, leads to simultaneous oxidation of niobium ions from lower oxidation state and additional formation of niobium oxides. Morphology and crystallographic forms of the deposits obtained by SEM and EDS analysis confirmed above assumptions.
AB  - Elektrohemijskim putem sintetizovani su oksidi niobijuma iz četiri različita veoma kisela rastvora na elektrodi od staklastog ugljenika. U elektrohemijskim eksperimentima upotrebljavane su metode linearne cikličke voltametrije i potenciostatskog pulsa, a metode skenirajuće elektronske mikroskopije i energetsko disperzivne spektroskopije poslužile su za analizu elektrodne površine i taloga formiranog na njoj. Pri promeni radnog potencijala u negativnu stranu (a negativnije od 500 mV vs. ZKE) dolazi do simultanog odvijanja procesa redukcije niobijumovih, vodonikovih, hidroksidnih, nitratnih i sulfatnih jona, što u formiranoj baznoj sredini u neposrednoj blizini radne elektrode dovodi do nastanka nekoliko niobijumovih oksida i oksihidroksida na njenoj površini. Mada dolazi do redukcije niobijumovih jona nema čvrstih dokaza da se njihova redukcija odvija do formiranja održivih nakupina metalnog niobijuma. Pri promeni radnog potencijala u pozitivnom smeru (pri potencijalima pozitivnijim od – 1.000 vs. ZKE) dolazi do zajedničkog odvijanja oksidacije niobijumovih jona nižeg oksidacionog stanja i dodatno se formiraju niobijumovi oksidi.
Morfologija dobijenih taloga i uočene kristalografske forme analizirane SEM i EDS tehnikama potvrđuju gore navedene pretpostavke.
PB  - Beograd: Udruženje inženjera Srbije za koroziju i zaštitu materijala  (UISKOZAM)
C3  - Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine: XIX YuCorr Međunarodna konferencija - knjiga radova / Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection: XIX YuCorr International Conference - proceedings; [September 12-15, 2017, Tara Mountain, Serbia]
T1  - Electrochemical deposition of niobium oxides from acidic solution on glassy carbon
T1  - Elektrohemijsko taloženje niobijum oksida iz kiselih rastvora na staklastom ugljeniku
SP  - 99
EP  - 104
UR  - https://hdl.handle.net/21.15107/rcub_cer_2633
ER  - 

@conference{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovanović, Ljiljana S. and Jovićević, Jovan N.",
year = "2017",
abstract = "Electrochemical synthesis of niobium oxides from four different strongly acidic solutions onto vitreous carbon electrodes was studied. Linear sweep voltammetry and potential step techniques were used for electrochemical experiments and scanning electron microscopy and energy dispersive spectroscopy for analysis of the working electrode surface and deposits formed. Change of the working electrode potential to negative values, negative to 0.5 V vs. SCE, leads to simultaneous reduction of niobium, hydrogen, nitrate and sulphated ions, which induces alkaline media in the immediate vicinity of the electrode surface and formation of several niobium oxides and oxyhidoxides. Despite reduction of niobium ions there are no firm evidence of the permanent metal niobium clusters. Change of the electrode potential into positive direction, positive to – 1.000 vs. SCE, leads to simultaneous oxidation of niobium ions from lower oxidation state and additional formation of niobium oxides. Morphology and crystallographic forms of the deposits obtained by SEM and EDS analysis confirmed above assumptions., Elektrohemijskim putem sintetizovani su oksidi niobijuma iz četiri različita veoma kisela rastvora na elektrodi od staklastog ugljenika. U elektrohemijskim eksperimentima upotrebljavane su metode linearne cikličke voltametrije i potenciostatskog pulsa, a metode skenirajuće elektronske mikroskopije i energetsko disperzivne spektroskopije poslužile su za analizu elektrodne površine i taloga formiranog na njoj. Pri promeni radnog potencijala u negativnu stranu (a negativnije od 500 mV vs. ZKE) dolazi do simultanog odvijanja procesa redukcije niobijumovih, vodonikovih, hidroksidnih, nitratnih i sulfatnih jona, što u formiranoj baznoj sredini u neposrednoj blizini radne elektrode dovodi do nastanka nekoliko niobijumovih oksida i oksihidroksida na njenoj površini. Mada dolazi do redukcije niobijumovih jona nema čvrstih dokaza da se njihova redukcija odvija do formiranja održivih nakupina metalnog niobijuma. Pri promeni radnog potencijala u pozitivnom smeru (pri potencijalima pozitivnijim od – 1.000 vs. ZKE) dolazi do zajedničkog odvijanja oksidacije niobijumovih jona nižeg oksidacionog stanja i dodatno se formiraju niobijumovi oksidi.
Morfologija dobijenih taloga i uočene kristalografske forme analizirane SEM i EDS tehnikama potvrđuju gore navedene pretpostavke.",
publisher = "Beograd: Udruženje inženjera Srbije za koroziju i zaštitu materijala  (UISKOZAM)",
journal = "Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine: XIX YuCorr Međunarodna konferencija - knjiga radova / Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection: XIX YuCorr International Conference - proceedings; [September 12-15, 2017, Tara Mountain, Serbia]",
title = "Electrochemical deposition of niobium oxides from acidic solution on glassy carbon, Elektrohemijsko taloženje niobijum oksida iz kiselih rastvora na staklastom ugljeniku",
pages = "99-104",
url = "https://hdl.handle.net/21.15107/rcub_cer_2633"
}

Vukićević, N., Cvetković, V. S., Jovanović, L. S.,& Jovićević, J. N.. (2017). Electrochemical deposition of niobium oxides from acidic solution on glassy carbon. in Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine: XIX YuCorr Međunarodna konferencija - knjiga radova / Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection: XIX YuCorr International Conference - proceedings; [September 12-15, 2017, Tara Mountain, Serbia]
Beograd: Udruženje inženjera Srbije za koroziju i zaštitu materijala  (UISKOZAM)., 99-104.
https://hdl.handle.net/21.15107/rcub_cer_2633

Vukićević N, Cvetković VS, Jovanović LS, Jovićević JN. Electrochemical deposition of niobium oxides from acidic solution on glassy carbon. in Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine: XIX YuCorr Međunarodna konferencija - knjiga radova / Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection: XIX YuCorr International Conference - proceedings; [September 12-15, 2017, Tara Mountain, Serbia]. 2017;:99-104.
https://hdl.handle.net/21.15107/rcub_cer_2633 .

Vukićević, Nataša, Cvetković, Vesna S., Jovanović, Ljiljana S., Jovićević, Jovan N., "Electrochemical deposition of niobium oxides from acidic solution on glassy carbon" in Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine: XIX YuCorr Međunarodna konferencija - knjiga radova / Meeting Point of the Science and Practice in the Fields of Corrosion, Materials and Environmental Protection: XIX YuCorr International Conference - proceedings; [September 12-15, 2017, Tara Mountain, Serbia] (2017):99-104,
https://hdl.handle.net/21.15107/rcub_cer_2633 .

TY  - JOUR
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovanović, Ljiljana S.
AU  - Radulović, Olga
AU  - Jovićević, Jovan N.
PY  - 2016
UR  - https://metall-mater-eng.com/index.php/home/article/view/217
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5921
AB  - Niobium and aluminium were electrodeposited at 200 °C under argon
atmosphere onto vitreous carbon from inorganic chloroaluminate melts (AlCl3+NaCl)
with added niobium. Niobium was introduced into the electrolyte by anodic dissolution
of metallic niobium or by chemical dissolution of Nb2O5 in a melt of equimolar
AlCl3+NaCl mixture. The processes of deposition/dissolution onto/from vitreous carbon
were investigated by cyclic voltammetry and chronoamperometry. Characterization of
the obtained deposits was done by Scanning Electron Microscopy (SEM) and Energy
Dispersive Spectroscopy (EDS). The only observed reduction processes on the working
electrode in the potential window from 1.000 V to – 1.000 V vs. Al, were individual
niobium deposition and codeposition of niobium and aluminium with Al-Nb alloys
formation.
Electrodeposition of niobium from the chloroaluminate melt with added niobium
(V) oxide seems to start at around – 0.100 V vs. Al and at about – 0.200 V vs. Al
aluminium starts codepositing. During the codeposition Nb-Al alloys were formed.
Niobium deposition starting potential from the electrolyte with niobium added by
anodic dissolution starts at 0.100 V vs. Al, and aluminium codeposition starting
potential was at around – 0.025 V vs. Al, followed by Nb/Al alloy formation.
PB  - Association of Metallurgical Engineers of Serbia AMES
T2  - Metallurgical and Materials Engineering
T1  - Electrodeposition of Nb and Al from chloroaluminate melt on vitreous carbon
VL  - 22
IS  - 2
SP  - 91
UR  - https://hdl.handle.net/21.15107/rcub_cer_5921
ER  - 

@article{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovanović, Ljiljana S. and Radulović, Olga and Jovićević, Jovan N.",
year = "2016",
abstract = "Niobium and aluminium were electrodeposited at 200 °C under argon
atmosphere onto vitreous carbon from inorganic chloroaluminate melts (AlCl3+NaCl)
with added niobium. Niobium was introduced into the electrolyte by anodic dissolution
of metallic niobium or by chemical dissolution of Nb2O5 in a melt of equimolar
AlCl3+NaCl mixture. The processes of deposition/dissolution onto/from vitreous carbon
were investigated by cyclic voltammetry and chronoamperometry. Characterization of
the obtained deposits was done by Scanning Electron Microscopy (SEM) and Energy
Dispersive Spectroscopy (EDS). The only observed reduction processes on the working
electrode in the potential window from 1.000 V to – 1.000 V vs. Al, were individual
niobium deposition and codeposition of niobium and aluminium with Al-Nb alloys
formation.
Electrodeposition of niobium from the chloroaluminate melt with added niobium
(V) oxide seems to start at around – 0.100 V vs. Al and at about – 0.200 V vs. Al
aluminium starts codepositing. During the codeposition Nb-Al alloys were formed.
Niobium deposition starting potential from the electrolyte with niobium added by
anodic dissolution starts at 0.100 V vs. Al, and aluminium codeposition starting
potential was at around – 0.025 V vs. Al, followed by Nb/Al alloy formation.",
publisher = "Association of Metallurgical Engineers of Serbia AMES",
journal = "Metallurgical and Materials Engineering",
title = "Electrodeposition of Nb and Al from chloroaluminate melt on vitreous carbon",
volume = "22",
number = "2",
pages = "91",
url = "https://hdl.handle.net/21.15107/rcub_cer_5921"
}

Vukićević, N., Cvetković, V. S., Jovanović, L. S., Radulović, O.,& Jovićević, J. N.. (2016). Electrodeposition of Nb and Al from chloroaluminate melt on vitreous carbon. in Metallurgical and Materials Engineering
Association of Metallurgical Engineers of Serbia AMES., 22(2), 91.
https://hdl.handle.net/21.15107/rcub_cer_5921

Vukićević N, Cvetković VS, Jovanović LS, Radulović O, Jovićević JN. Electrodeposition of Nb and Al from chloroaluminate melt on vitreous carbon. in Metallurgical and Materials Engineering. 2016;22(2):91.
https://hdl.handle.net/21.15107/rcub_cer_5921 .

Vukićević, Nataša, Cvetković, Vesna S., Jovanović, Ljiljana S., Radulović, Olga, Jovićević, Jovan N., "Electrodeposition of Nb and Al from chloroaluminate melt on vitreous carbon" in Metallurgical and Materials Engineering, 22, no. 2 (2016):91,
https://hdl.handle.net/21.15107/rcub_cer_5921 .

TY  - CONF
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovanović, Ljiljana S.
AU  - Jovićević, Jovan N.
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6129
AB  - Ispitivano je elektrohemijsko taloženje i rastvaranje niobijuma iz rastopa ekvimolarne smeše
aluminijum (III) hlorida i natrijum hlorida, obogaćenog niobijumom, na staklastom ugljeniku.
Elektrotaloženje je izvođeno u atmosferi argona, na temperaturi od 2000C. Potrebna količina
niobijumovih jona, u rastop ekvimolarne smeše AlCl3+NaCl, obezbeđivana je anodnim
rastvaranjem niobijuma ili hemijskim rastvaranjem Nb2O5. Elektrohemijske tehnike linearne
cikličke voltametrije i hronoamperometrije korišćene su za praćenje procesa rastvaranja i taloženja
niobijuma i aluminijuma. Karakterizacija dobijenog depozita vršena je skenirajućom elektronskom
mikroskopijom (SEM) i energetskom disperzivnom spektroskopijom (EDS). Utvrđeno je da se
redukcija niobijuma (bez obrzira na izvor Nb jona u rastopu) u načelu odvija u dva koraka nakon
čega sledi zajedničko taloženje aluminijuma i niobijuma. Talog se formira samostalnim taloženjam
Nb, ali i zajedničkim taloženjem Nb i Al uz formiranje legura na površini radne elektrode od
staklastog ugljenika. Uočen je i uticaj izvora niobijumovih jona, u rastopu, na potencijale
elektrotaloženja Nb, Al i njihovih legura.
AB  - Niobium and aluminium have been electrodeposited onto vitreous carbon from melt made of equimolar mixture (AlCl3+NaCl) enriched with niobium. The deposition was performed under argon atmosphere at 2000C. Desired quantity of niobium was introduced into electrolyte by anodic dissolution of metallic niobium or by chemical dissolution of Nb2O5. The processes of 
deposition/dissolution of niobium and aluminium on vitreous carbon were investigated by cyclic 
voltammetry and chronoamperometry. Characterization of the obtained deposits was done by 
Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS).
PB  - Serbian Society of Corrosion and Materials Protection (UISKoZaM)
C3  - Proceedings - XVIII YuCorr, Meeting point of the science and practice in the fields of corrosion, materials and environmental protection, April 12-15, 2016, Tara Mountain, Serbia / Knjiga radova - XVIII YuCorr, Stecište nauke I prakse u oblastima korozije, zaštite materijala I životne sredine
T1  - Formiranje Nb taloga na staklastom ugljeniku iz hloroaluminatnog rastopa
T1  - Formation of Nb deposit on vitrius carbon from chloroaluminate melts
SP  - 207
EP  - 208
UR  - https://hdl.handle.net/21.15107/rcub_cer_6129
ER  - 

@conference{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovanović, Ljiljana S. and Jovićević, Jovan N.",
year = "2016",
abstract = "Ispitivano je elektrohemijsko taloženje i rastvaranje niobijuma iz rastopa ekvimolarne smeše
aluminijum (III) hlorida i natrijum hlorida, obogaćenog niobijumom, na staklastom ugljeniku.
Elektrotaloženje je izvođeno u atmosferi argona, na temperaturi od 2000C. Potrebna količina
niobijumovih jona, u rastop ekvimolarne smeše AlCl3+NaCl, obezbeđivana je anodnim
rastvaranjem niobijuma ili hemijskim rastvaranjem Nb2O5. Elektrohemijske tehnike linearne
cikličke voltametrije i hronoamperometrije korišćene su za praćenje procesa rastvaranja i taloženja
niobijuma i aluminijuma. Karakterizacija dobijenog depozita vršena je skenirajućom elektronskom
mikroskopijom (SEM) i energetskom disperzivnom spektroskopijom (EDS). Utvrđeno je da se
redukcija niobijuma (bez obrzira na izvor Nb jona u rastopu) u načelu odvija u dva koraka nakon
čega sledi zajedničko taloženje aluminijuma i niobijuma. Talog se formira samostalnim taloženjam
Nb, ali i zajedničkim taloženjem Nb i Al uz formiranje legura na površini radne elektrode od
staklastog ugljenika. Uočen je i uticaj izvora niobijumovih jona, u rastopu, na potencijale
elektrotaloženja Nb, Al i njihovih legura., Niobium and aluminium have been electrodeposited onto vitreous carbon from melt made of equimolar mixture (AlCl3+NaCl) enriched with niobium. The deposition was performed under argon atmosphere at 2000C. Desired quantity of niobium was introduced into electrolyte by anodic dissolution of metallic niobium or by chemical dissolution of Nb2O5. The processes of 
deposition/dissolution of niobium and aluminium on vitreous carbon were investigated by cyclic 
voltammetry and chronoamperometry. Characterization of the obtained deposits was done by 
Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS).",
publisher = "Serbian Society of Corrosion and Materials Protection (UISKoZaM)",
journal = "Proceedings - XVIII YuCorr, Meeting point of the science and practice in the fields of corrosion, materials and environmental protection, April 12-15, 2016, Tara Mountain, Serbia / Knjiga radova - XVIII YuCorr, Stecište nauke I prakse u oblastima korozije, zaštite materijala I životne sredine",
title = "Formiranje Nb taloga na staklastom ugljeniku iz hloroaluminatnog rastopa, Formation of Nb deposit on vitrius carbon from chloroaluminate melts",
pages = "207-208",
url = "https://hdl.handle.net/21.15107/rcub_cer_6129"
}

Vukićević, N., Cvetković, V. S., Jovanović, L. S.,& Jovićević, J. N.. (2016). Formiranje Nb taloga na staklastom ugljeniku iz hloroaluminatnog rastopa. in Proceedings - XVIII YuCorr, Meeting point of the science and practice in the fields of corrosion, materials and environmental protection, April 12-15, 2016, Tara Mountain, Serbia / Knjiga radova - XVIII YuCorr, Stecište nauke I prakse u oblastima korozije, zaštite materijala I životne sredine
Serbian Society of Corrosion and Materials Protection (UISKoZaM)., 207-208.
https://hdl.handle.net/21.15107/rcub_cer_6129

Vukićević N, Cvetković VS, Jovanović LS, Jovićević JN. Formiranje Nb taloga na staklastom ugljeniku iz hloroaluminatnog rastopa. in Proceedings - XVIII YuCorr, Meeting point of the science and practice in the fields of corrosion, materials and environmental protection, April 12-15, 2016, Tara Mountain, Serbia / Knjiga radova - XVIII YuCorr, Stecište nauke I prakse u oblastima korozije, zaštite materijala I životne sredine. 2016;:207-208.
https://hdl.handle.net/21.15107/rcub_cer_6129 .

Vukićević, Nataša, Cvetković, Vesna S., Jovanović, Ljiljana S., Jovićević, Jovan N., "Formiranje Nb taloga na staklastom ugljeniku iz hloroaluminatnog rastopa" in Proceedings - XVIII YuCorr, Meeting point of the science and practice in the fields of corrosion, materials and environmental protection, April 12-15, 2016, Tara Mountain, Serbia / Knjiga radova - XVIII YuCorr, Stecište nauke I prakse u oblastima korozije, zaštite materijala I životne sredine (2016):207-208,
https://hdl.handle.net/21.15107/rcub_cer_6129 .

TY  - JOUR
AU  - Leovac, Vukadin
AU  - Rodić, Marko V.
AU  - Jovanović, Ljiljana S.
AU  - Joksovic, Milan D.
AU  - Stanojković, Tatjana
AU  - Vujčić, Miroslava
AU  - Sladić, Dušan
AU  - Markovic, Violeta
AU  - Vojinovic-Jesic, Ljiljana S
PY  - 2015
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1735
AB  - Five pentacoordinate copper(II) complexes with 2-acetylpyridine or di(2-pyridyl) ketone 1-adamantoyl hydrazone ligands (Adpy and Addpy, respectively) of the formulae [CuCl2(Adpy)] (1), [Cu-2(-Cl)(2)(Adpy-H)(2)] (2), [Cu(NCS)(2)(Adpy)] (3), [Cu-2(-Cl)(2)(Addpy-H)(2)] (4), and [Cu-2(NCS)(2)(-Addpy-H)(2)] (5) were synthesized and characterized by spectral, electrochemical, and X-ray structural analysis. Flow cytometry and morphological analysis confirmed that the copper(II) complexes 2 and 5 induced accumulation of a sub-G1 phase population, and fluorescence microscopy indicated the presence of large cells in apoptosis. The interaction of the copper(II) complexes with calf thymus DNA (CT-DNA) was monitored by changes in their UV/Vis spectra. The observed intrinsic binding constants for 2 and 5 (K-b = 1.77x10(6) and 3.58x10(6) M-1, respectively) together with ethidium displacement fluorescence experiments indicate intercalative binding. Complexes 2 and 5 showed nuclease activity against pUC19 plasmid DNA.
PB  - Wiley-V C H Verlag Gmbh, Weinheim
T2  - European Journal of Inorganic Chemistry
T1  - Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System
IS  - 5
SP  - 882
EP  - 895
DO  - 10.1002/ejic.201403050
ER  - 

@article{
author = "Leovac, Vukadin and Rodić, Marko V. and Jovanović, Ljiljana S. and Joksovic, Milan D. and Stanojković, Tatjana and Vujčić, Miroslava and Sladić, Dušan and Markovic, Violeta and Vojinovic-Jesic, Ljiljana S",
year = "2015",
abstract = "Five pentacoordinate copper(II) complexes with 2-acetylpyridine or di(2-pyridyl) ketone 1-adamantoyl hydrazone ligands (Adpy and Addpy, respectively) of the formulae [CuCl2(Adpy)] (1), [Cu-2(-Cl)(2)(Adpy-H)(2)] (2), [Cu(NCS)(2)(Adpy)] (3), [Cu-2(-Cl)(2)(Addpy-H)(2)] (4), and [Cu-2(NCS)(2)(-Addpy-H)(2)] (5) were synthesized and characterized by spectral, electrochemical, and X-ray structural analysis. Flow cytometry and morphological analysis confirmed that the copper(II) complexes 2 and 5 induced accumulation of a sub-G1 phase population, and fluorescence microscopy indicated the presence of large cells in apoptosis. The interaction of the copper(II) complexes with calf thymus DNA (CT-DNA) was monitored by changes in their UV/Vis spectra. The observed intrinsic binding constants for 2 and 5 (K-b = 1.77x10(6) and 3.58x10(6) M-1, respectively) together with ethidium displacement fluorescence experiments indicate intercalative binding. Complexes 2 and 5 showed nuclease activity against pUC19 plasmid DNA.",
publisher = "Wiley-V C H Verlag Gmbh, Weinheim",
journal = "European Journal of Inorganic Chemistry",
title = "Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System",
number = "5",
pages = "882-895",
doi = "10.1002/ejic.201403050"
}

Leovac, V., Rodić, M. V., Jovanović, L. S., Joksovic, M. D., Stanojković, T., Vujčić, M., Sladić, D., Markovic, V.,& Vojinovic-Jesic, L. S.. (2015). Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System. in European Journal of Inorganic Chemistry
Wiley-V C H Verlag Gmbh, Weinheim.(5), 882-895.
https://doi.org/10.1002/ejic.201403050

Leovac V, Rodić MV, Jovanović LS, Joksovic MD, Stanojković T, Vujčić M, Sladić D, Markovic V, Vojinovic-Jesic LS. Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System. in European Journal of Inorganic Chemistry. 2015;(5):882-895.
doi:10.1002/ejic.201403050 .

Leovac, Vukadin, Rodić, Marko V., Jovanović, Ljiljana S., Joksovic, Milan D., Stanojković, Tatjana, Vujčić, Miroslava, Sladić, Dušan, Markovic, Violeta, Vojinovic-Jesic, Ljiljana S, "Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System" in European Journal of Inorganic Chemistry, no. 5 (2015):882-895,
https://doi.org/10.1002/ejic.201403050 . .