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Template-free hydrothermal synthesis of MgWO₄ nanoplates and their application as photocatalysts

Author:
Meng, Jie, Chen, Tao, Wei, Xiao, Li, Jixue, Zhang, Ze
Source:
RSC advances 2019 v.9 no.5 pp. 2567-2571
ISSN:
2046-2069
Subject:
hydrogen production, nanoparticles, photocatalysis, photocatalysts, ripening, semiconductors, surface area
Abstract:
As a semiconductor, MgWO₄ has a potential in photocatalytic applications; however, it has been overlooked in previous studies; in this study, it has been demonstrated that MgWO₄ exhibits the ability to drive photocatalytic hydrogen evolution. Compared to nanoparticle structures, MgWO₄ nanoplates show an increased photocatalytic ability due to their higher specific surface area. Moreover, the formation mechanism of MgWO₄ nanoplates has been discussed. An oriented attachment and ripening process is proposed for the formation of the MgWO₄ nanoplates. This study demonstrates that MgWO₄ can be considered a valuable photocatalytic material, and future studies should be focused on how to promote its photocatalytic conversion efficiency.
Agid:
6269475