Journal
CATALYSTS
Volume 10, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/catal10060679
Keywords
Ti3+-self-doping; photocatalysts; modification of TiO2; visible light application; modification of electronic structures
Categories
Funding
- Institute for Basic Science [IBS-R011-D1]
- Korea Evaluation Institute of Industrial Technology [20004627]
- INNOPOLIS Foundation [2019-DD-SB-0602]
- National Research Foundation of Korea [IBS-R011-D1-2020-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Research into the development of efficient semiconductor photocatalytic materials is a promising approach to solving environmental and energy problems worldwide. Among these materials, TiO(2)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+-TiO(2)photocatalysts, where Ti(3+)with a high oxygen defect density can be used for energy production from visible light. We categorize advanced modifications in electronic states of Ti3+-TiO(2)by improving their photocatalytic activity. Ti3+-TiO(2)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.
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