Journal
MATERIALS TODAY COMMUNICATIONS
Volume 33, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mtcomm.2022.104503
Keywords
Photocatalysis; Hydrogen; Bismuth; Water splitting; Nanosheets
Categories
Funding
- Key Project of Natural Science Research in Colleges and Universities in Anhui Province, China [KJ2021A0363]
- Innovation and Entrepreneurship Training Program of Anhui University of Technology [201910360036, S201910360215, 2020011]
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In this study, a bismuth-containing multicomponent photocatalyst Ag-BWV-y was successfully synthesized using a simple chemical method, and the photocatalytic activity of the catalyst was optimized to achieve a 5.6-fold increase in H2 production rate.
The bismuth-containing semiconductors have emerged as promising materials for the degradation of organic pollutants and reduction of CO2. However, their potential applications in photocatalytic H2 generation have not been explored clearly. Herein, bismuth-containing multicomponent photocatalyst Ag-BWV-y (where y represents the moles of Ag+ in the initial reaction system) has been synthesized by a simple one-pot chemical method for photocatalytic H2 generation. The element Ag is homogeneously distributed in as-prepared nanocomposite, and the band structure of Ag-BWV-y can be tuned by the dosage of Ag+ ions. The optimized photocatalyst Ag-BWV-y (y = 0.15) shows a maximum H2 evolution rate of 652 mu mol h-1 g-1, which is about 5.6-fold that of undoped sample. The narrow band gap of Ag-BVW-0.15 favors the photocatalytic activity in promoting H2 production.
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