期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 18, 页码 6033-6037出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201901888
关键词
borocarbonitride; ceramic aerogels; metal-free catalyst; photoredox catalysis; self-assembly
资金
- National Key Technologies RAMP
- D Program of China [2018YFA0209301]
- National Natural Science Foundation of China [21425309, 21761132002, 21861130353]
- National Basic Research Program of China [2013CB632405]
- Chang Jiang Scholars Program of China [T2016147]
- 111 Project [D16008]
Borocarbonitride (BCN) is a new type of photocatalyst, but bulk BCN shows a large band gap, and low surface area, and moderate activity for photocatalysis. Here, a three-dimensional (3D) porous ceramic BCN aerogel was developed as an effective photocatalyst for relevant reactions. The unique structures endow the aerogel with an adjustable band gap and a high surface area, excellent stability, and improved crystallinity, which accelerates the separation and transfer of electron-hole pairs and promotes catalytic kinetics, thus enhancing the performance of photocatalytic reactions for hydrogen generation and carbon dioxide reduction. This work supplies a low-cost, convenient and green synthesis method for building ceramic aerogels, and it provides a simple colloid chemistry strategy combined with boron-containing compounds to facilitate further innovative breakthroughs in the novel ceramic aerogel materials design and development in the field of catalysis.
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