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Cu-grafted TiO2 photocatalysts: effect of Cu on the action spectrum of composite materials

Nikita Sergeevich Kovalevskiy 1
Nikita Sergeevich Kovalevskiy
, 
Mikhail Nikolaevich Lyulyukin 1
Mikhail Nikolaevich Lyulyukin
, 
Denis Vladimirovich Kozlov 1
Denis Vladimirovich Kozlov
, 
Dmitry Sergeyevich Selishchev 1
Dmitry Sergeyevich Selishchev
10.1016/j.mencom.2021.09.017
Published 2021-09-08
Communication , Volume 31, Issue 5, 644-646
10
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Kovalevskiy N. S. et al. Cu-grafted TiO2 photocatalysts: effect of Cu on the action spectrum of composite materials // Mendeleev Communications. 2021. Vol. 31. No. 5. pp. 644-646.
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Kovalevskiy N. S., Lyulyukin M. N., Kozlov D. V., Selishchev D. S. Cu-grafted TiO2 photocatalysts: effect of Cu on the action spectrum of composite materials // Mendeleev Communications. 2021. Vol. 31. No. 5. pp. 644-646.
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TY - JOUR
DO - 10.1016/j.mencom.2021.09.017
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2021.09.017
TI - Cu-grafted TiO2 photocatalysts: effect of Cu on the action spectrum of composite materials
T2 - Mendeleev Communications
AU - Kovalevskiy, Nikita Sergeevich
AU - Lyulyukin, Mikhail Nikolaevich
AU - Kozlov, Denis Vladimirovich
AU - Selishchev, Dmitry Sergeyevich
PY - 2021
DA - 2021/09/08
PB - Mendeleev Communications
SP - 644-646
IS - 5
VL - 31
ER -
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@article{2021_Kovalevskiy,
author = {Nikita Sergeevich Kovalevskiy and Mikhail Nikolaevich Lyulyukin and Denis Vladimirovich Kozlov and Dmitry Sergeyevich Selishchev},
title = {Cu-grafted TiO2 photocatalysts: effect of Cu on the action spectrum of composite materials},
journal = {Mendeleev Communications},
year = {2021},
volume = {31},
publisher = {Mendeleev Communications},
month = {Sep},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2021.09.017},
number = {5},
pages = {644--646},
doi = {10.1016/j.mencom.2021.09.017}
}
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Kovalevskiy, Nikita Sergeevich, et al. “Cu-grafted TiO2 photocatalysts: effect of Cu on the action spectrum of composite materials.” Mendeleev Communications, vol. 31, no. 5, Sep. 2021, pp. 644-646. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2021.09.017.

Keywords

action spectrum
Cu-grafted TiO2
interfacial charge transfer
photocatalytic oxidation
visible light

Abstract

This paper describes a simple technique for the modification of titania with copper to enhance its photocatalytic performance. In addition to the absorption of UV light resulted in band-to-band excitation of electrons, TiO2 grafted with copper species absorbs radiation in the visible region of spectrum, and it is able to completely oxidize volatile organic pollutants both under UV and visible light. The action spectra of pristine and Cu-grafted TiO2 photocatalysts are measured and discussed to elucidate the reasons for appearance of the activity under visible light.

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