期刊
ACS CATALYSIS
卷 8, 期 4, 页码 3348-3356出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b04219
关键词
Cu2O; nitrogen-doped carbon; yolk shell; photocatalysis; cross-dehydrogenative coupling; nanostructure
资金
- National Natural Science Foundation of China [21671085, 11674101, 21333008]
- Jiangsu Province Science Foundation for Youths [BK20150237]
- Natural Science Foundation of Jiangsu Province [BK20161160]
- Qing Lan Project
- Priority Academic Program Development of Jiangsu Higher Education Institutions
An efficient photocatalyst should maximize utilization of sunlight and minimize recombination of photogenerated electron-hole pairs. Thus, searching for a simple approach to develop low-cost efficient photocatalysts to improve the utilization ratio of sunlight and boost the photogenerated charge carrier lifetime is very important and challenging. In this article, anchoring Cu2O nanoparticles (NPs) in situ on a nitrogen-doped porous carbon yolk-shell cuboctahedral (CNPC) framework has been successfully carried out by direct derivation from a benzimidazole-modified Cu-btc MOF (btc = benzene-1,3,5-tricarboxylate, MOF = metal-organic framework) template. The prepared CNPC showed high photoredox catalysis in forming C-C bond reactions, resulting from the prolonged lifetime of photogenerated electrons and holes, multiple reflections of light by the yolk-shell structure, and improved stability and dispersibility of Cu2O NPs. Our study provided a simple way to designing low-cost, efficient heterostuctured photocatalysts.
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