Effects of Sn4+ dopant ions located either in the bulk or at crystallite surfaces on the ultraviolet photocatalytic activity of anatase
Publication type: Journal Article
Publication date: 2021-07-01
scimago Q3
wos Q3
SJR: 0.305
CiteScore: 3.0
Impact factor: 1.7
ISSN: 09599436, 1364551X
General Chemistry
Abstract
Isovalent Sn4+ dopant cations do not have a significant effect on the ultraviolet photocatalytic activity of anatase (TiO2) regardless of their location in the bulk or at the surfaces of crystallites. This is due to the formation of no charge balance oxygen vacancies VO acting as (e–,h + ) recombination centers towards photogenerated electrons and holes upon doping with Sn4+. Nevertheless, the analysis of a sample containing surfacelocated heterovalent Sb3+ ions (isoelectronic with Sn 2+ ) revealed a significant weakening of the negative effect of VO, which can be accounted for by the presence of a stereochemically active lone pair E of 5 s electrons in the nearest vicinity of VO.
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Korolenko M. V., Fabritchnyi P. B., Danot M. Effects of Sn4+ dopant ions located either in the bulk or at crystallite surfaces on the ultraviolet photocatalytic activity of anatase // Mendeleev Communications. 2021. Vol. 31. No. 4. pp. 570-571.
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Korolenko M. V., Fabritchnyi P. B., Danot M. Effects of Sn4+ dopant ions located either in the bulk or at crystallite surfaces on the ultraviolet photocatalytic activity of anatase // Mendeleev Communications. 2021. Vol. 31. No. 4. pp. 570-571.
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TY - JOUR
DO - 10.1016/j.mencom.2021.07.045
UR - https://doi.org/10.1016/j.mencom.2021.07.045
TI - Effects of Sn4+ dopant ions located either in the bulk or at crystallite surfaces on the ultraviolet photocatalytic activity of anatase
T2 - Mendeleev Communications
AU - Korolenko, Mikhail V
AU - Fabritchnyi, Pavel B.
AU - Danot, M
PY - 2021
DA - 2021/07/01
PB - OOO Zhurnal "Mendeleevskie Soobshcheniya"
SP - 570-571
IS - 4
VL - 31
SN - 0959-9436
SN - 1364-551X
ER -
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@article{2021_Korolenko,
author = {Mikhail V Korolenko and Pavel B. Fabritchnyi and M Danot},
title = {Effects of Sn4+ dopant ions located either in the bulk or at crystallite surfaces on the ultraviolet photocatalytic activity of anatase},
journal = {Mendeleev Communications},
year = {2021},
volume = {31},
publisher = {OOO Zhurnal "Mendeleevskie Soobshcheniya"},
month = {jul},
url = {https://doi.org/10.1016/j.mencom.2021.07.045},
number = {4},
pages = {570--571},
doi = {10.1016/j.mencom.2021.07.045}
}
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Korolenko, Mikhail V., et al. “Effects of Sn4+ dopant ions located either in the bulk or at crystallite surfaces on the ultraviolet photocatalytic activity of anatase.” Mendeleev Communications, vol. 31, no. 4, Jul. 2021, pp. 570-571. https://doi.org/10.1016/j.mencom.2021.07.045.