Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 10, Issue 27, Pages 14171-14186Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ta03180a
Keywords
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Funding
- National Key R&D Program of China [2019YFC1903902, 2019YFC1904102, 2019YFC1904100]
- Natural National Science Foundation of China [21690083, 21503144, U20A20132]
- Tianjin Research Program of Application Foundation and Advanced Technique [16JCQNJC05400, 15JCQNJC08500]
- Tianjin Research Program of Ecological Environmental Treatment [18ZXSZSF00060, 18ZXSZSF00210]
- National Engineering Laboratory for Mobile Source Emission Control Technology of China [NELMS2017A03]
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This study provides a comprehensive review of recent progress in oxygen vacancy engineering for designing catalytic materials for VOCs treatment. It discusses the construction strategy, structural characterization, and catalytic effects of oxygen vacancies, as well as forecasts technical challenges and prospects. The perspectives provided in this study could potentially contribute to guiding the synthesis of efficient catalysts for VOCs degradation and understanding their mechanisms.
Volatile organic compounds (VOCs), as a significant contributor to atmospheric pollution such as ozone pollution and PM2.5, bring about serious harm to the environment and human health. Catalytic oxidation is one of the most promising technologies for achieving efficient VOCs removal, and the low-temperature performance of catalysts affects the removal efficiency. With the ongoing understanding of the catalytic reaction mechanism, oxygen vacancies can activate oxygen molecules, enhance electron transport, and regulate the surface chemical properties of catalysts, which has become one of the most effective means to improve catalytic performance. However, there has not been a detailed review of oxygen vacancy engineering for VOCs oxidation. This work systematically presented the recent progress regarding oxygen defect engineering in designing novel catalytic materials for VOCs treatment to fill in the gaps. Specifically, the core concerns in this review mainly concentrate on the in-depth discussion of the construction strategy, structural characterization, and catalytic effects of oxygen vacancies. Additionally, the technical challenges and prospects were forecasted. The perspectives provided in this review could potentially contribute to guiding the controllable synthesis of efficient catalysts for VOCs degradation and its corresponding mechanism understanding.
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