dc.creator | Vlahović, Filip | |
dc.creator | Gruden, Maja | |
dc.creator | Zlatar, Matija | |
dc.creator | Stanković, Dalibor | |
dc.date.accessioned | 2019-12-14T12:29:31Z | |
dc.date.available | 2019-12-14T12:29:31Z | |
dc.date.issued | 2019 | |
dc.identifier.isbn | 978-80-7560-224-4 | |
dc.identifier.uri | http://yisac2019.upce.cz/ | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/3225 | |
dc.description.abstract | A series of arylazo pyridone dyes was synthesized by changing the type of the substituent
group in the diazo moiety, ranging from strong electron-donating to strong electronwithdrawing
groups. The structural and electronic properties of the investigated dyes was
calculated at the M062X/6-31+G(d,p) level of theory. The observed good linear correlations
between atomic charges and Hammett σp constants provided a basis to discuss the
transmission of electronic substituent effects through a dye framework. The reactivity of
synthesized dyes was tested through their decolorization efficiency in TiO2 photocatalytic
system (Degussa P-25). Quantitative structure-activity relationship analysis revealed a strong
correlation between reactivity of investigated dyes and Hammett substituent constants. The
reaction was facilitated by electron-withdrawing groups, and retarded by electron-donating
ones. Quantum mechanical calculations were used in order to describe the mechanism of the
photocatalytic oxidation reactions of investigated dyes and interpret their reactivity within the
framework of the Density Functional Theory (DFT). According to DFT based reactivity
descriptors, i.e. Fukui functions and local softness, the active site moves from azo nitrogen
atom linked to benzene ring to pyridone carbon atom linked to azo bond, going from dyes
with electron-donating groups to dyes with electron-withdrawing groups | en |
dc.language.iso | en | sr |
dc.publisher | University of Pardubice | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172035/RS// | sr |
dc.rights | openAccess | sr |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Book of Abstracts - YISAC 2019 (26th Young Investigators’ Seminar on Analytical Chemistry) | sr |
dc.subject | DFT | sr |
dc.subject | arylazo pyridone dyes | sr |
dc.subject | Quantitative structure-activity relationship | sr |
dc.subject | Hammett substituent constants | sr |
dc.subject | Fukui functions | sr |
dc.subject | local softness | sr |
dc.title | Exploring anatomy of experiment with DFT: Quantitative structure-activity relationship of Substituted arylazo pyridine dyes in Photocatalytic reaction | en |
dc.type | conferenceObject | sr |
dc.rights.license | BY-NC-ND | sr |
dcterms.abstract | Груден, Маја; Златар, Матија; Станковић, Далибор; Влаховић, Филип; | |
dc.rights.holder | University of Pardubice, 2019 | sr |
dc.citation.spage | 31 | |
dc.description.other | 26th Young Investigators’ Seminar on Analytical Chemistry, June 24 – 27, 2019, Pardubice, Czech Republic | sr |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_cer_3225 | |
dc.identifier.fulltext | https://cer.ihtm.bg.ac.rs/bitstream/id/15523/Vlahovic_YISAC-2019.pdf | |
dc.type.version | publishedVersion | sr |