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Mn2+-doped ZnS–CdS alloy nanocrystals for the photocatalytic hydrogen evolution reaction

Yurii Alekseevich Kabachii 1
Yurii Alekseevich Kabachii
,  , 
Olga Yurevna Antonova 1
Olga Yurevna Antonova
, 
Sergey Savel'evich Abramchuk 1
Sergey Savel'evich Abramchuk
, 
Alexander Semenovich Golub 1
Alexander Semenovich Golub
, 
Artyom Aleksandrovich Astafiev 2
Artyom Aleksandrovich Astafiev
, 
Andrei Nikolaevich Kostrov 2
Andrei Nikolaevich Kostrov
, 
10.1016/j.mencom.2021.04.012
Published 2021-04-28
Communication , Volume 31, Issue 3, 315-318
7
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Kabachii Y. A. et al. Mn2+-doped ZnS–CdS alloy nanocrystals for the photocatalytic hydrogen evolution reaction // Mendeleev Communications. 2021. Vol. 31. No. 3. pp. 315-318.
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Kabachii Y. A., Kochev S. Y., Antonova O. Y., Abramchuk S. S., Golub A. S., Astafiev A. A., Kostrov A. N., Nadtochenko V. A. Mn2+-doped ZnS–CdS alloy nanocrystals for the photocatalytic hydrogen evolution reaction // Mendeleev Communications. 2021. Vol. 31. No. 3. pp. 315-318.
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TY - JOUR
DO - 10.1016/j.mencom.2021.04.012
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2021.04.012
TI - Mn2+-doped ZnS–CdS alloy nanocrystals for the photocatalytic hydrogen evolution reaction
T2 - Mendeleev Communications
AU - Kabachii, Yurii Alekseevich
AU - Kochev, Sergey Yur'evich
AU - Antonova, Olga Yurevna
AU - Abramchuk, Sergey Savel'evich
AU - Golub, Alexander Semenovich
AU - Astafiev, Artyom Aleksandrovich
AU - Kostrov, Andrei Nikolaevich
AU - Nadtochenko, Viktor Andreevich
PY - 2021
DA - 2021/04/28
PB - Mendeleev Communications
SP - 315-318
IS - 3
VL - 31
ER -
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@article{2021_Kabachii,
author = {Yurii Alekseevich Kabachii and Sergey Yur'evich Kochev and Olga Yurevna Antonova and Sergey Savel'evich Abramchuk and Alexander Semenovich Golub and Artyom Aleksandrovich Astafiev and Andrei Nikolaevich Kostrov and Viktor Andreevich Nadtochenko},
title = {Mn2+-doped ZnS–CdS alloy nanocrystals for the photocatalytic hydrogen evolution reaction},
journal = {Mendeleev Communications},
year = {2021},
volume = {31},
publisher = {Mendeleev Communications},
month = {Apr},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2021.04.012},
number = {3},
pages = {315--318},
doi = {10.1016/j.mencom.2021.04.012}
}
MLA
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Kabachii, Yurii Alekseevich, et al. “Mn2+-doped ZnS–CdS alloy nanocrystals for the photocatalytic hydrogen evolution reaction.” Mendeleev Communications, vol. 31, no. 3, Apr. 2021, pp. 315-318. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2021.04.012.

Keywords

alloy
Cd
electron–hole pairs
hot electrons
hydrogen evolution reaction
lifetime
Mn
nanocrystals
ZnS

Abstract

The effect of doping of the ZnxCd1−xS (x=0.37–0.50) alloy nanocrystals with Mn2+ ions on the rate and apparent quantum yield of the photocatalytic H2 evolution catalyzed by this alloy has been investigated. It has been found that the ZnS shell significantly increases the lifetime of the Mn2+ excited state, which leads to the generation of ‘hot’ electrons and the two-photon photocatalytic reduction of hydrogen ions. An analysis of the characteristics of nanocrystals without a ZnS shell with similar excitation energies of the edge exciton revealed that the efficiency of the alloy doped with Mn2+ ions is 1.2–1.3 times higher due to an increase in the lifetime of photoinduced electron–hole pairs.

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