期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 8, 期 35, 页码 13352-13361出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.0c04089
关键词
g-C3N4; conductive polymer; MoS2; confined morphology; photocatalysis
资金
- Opening Project of Key Laboratory of Inorganic Functional Materials and Devices, Chinese Academy of Sciences [KLIFMD202007]
- National Natural Science Foundation of China (NSFC) [21601063]
- scientific research start-up fund in University of Jinan
The phosphomolybdic acid hydrate (PMo12)-based g-C3N4-PANI-MoS2 with the conductive polyaniline mediator and the nanosized MoS2 cocatalyst were designed and in situ fabricated onto earth-abundant and environment-friendly g-C3N4 for the first time. The PMo12 not only polymerized the aniline (ANI) monomer but also oxidized the thiourea and formed the nanosized MoS2 cocatalyst at a low temperature, and hence the PANI embraced the as-formed MoS2 and refined its particle size for more marginal active sites. Consequently, the optimal g-C3N4-PANI-MoS2 exhibited a very high photocatalytic H-2 evolution activity of 29.70 mu mol/h under visible light irradiation, which was 11.4 and 270.0 times larger than that of g-C3N4-MoS2 and the pristine g-C3N4, respectively, indicating the extremely important role of the synergistic effect of the high conductivity of PANI and PANI-refined nanosized MoS2 and providing a facile method for the design of novel high-performance catalyst for the solar conversion.
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