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Lee, Hyoyoung
나노구조물리 연구단
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Recent developments of advanced Ti3+-self-doped TiO2 for efficient visible-light-driven photocatalysis

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Title
Recent developments of advanced Ti3+-self-doped TiO2 for efficient visible-light-driven photocatalysis
Author(s)
Siyoung Na; Sohyeon Seo; Hyoyoung Lee
Subject
Modification of electronic structures, ; Modification of TiO2, ; Photocatalysts, ; Ti3+-self-doping, ; Visible light application
Publication Date
2020-06
Journal
Catalysts, v.10, no.6, pp.679
Publisher
MDPI AG
Abstract
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.Research into the development of efficient semiconductor photocatalytic materials is a promising approach to solving environmental and energy problems worldwide. Among these materials, TiO2 photocatalysts are one of the most commonly used due to their efficient photoactivity, high stability, low cost and environmental friendliness. However, since the UV content of sunlight is less than 5%, the development of visible light-activated TiO2-based photocatalysts is essential to increase the solar energy efficiency. Here, we review recent works on advanced visible light-activated Ti3+-self-doped TiO2 (Ti3+–TiO2) photocatalysts with improved electronic band structures for efficient charge separation. We analyze the different methods used to produce Ti3+–TiO2 photocatalysts, where Ti3+ with a high oxygen defect density can be used for energy production from visible light. We categorize advanced modifications in electronic states of Ti3+–TiO2 by improving their photocatalytic activity. Ti3+–TiO2 photocatalysts with large charge separation and low recombination of photogenerated electrons and holes can be practically applied for energy conversion and advanced oxidation processes in natural environments and deserve significant attention
URI
https://pr.ibs.re.kr/handle/8788114/7822
DOI
10.3390/catal10060679
ISSN
2073-4344
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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