We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Fabrication of TaON/CdS Heterostructures for Enhanced Photocatalytic Hydrogen Evolution under Visible Light Irradiation.
- Authors
Chen, Fu; Fu, Haitao; Yang, Xiaohong; Xiong, Shixian; An, Xizhong
- Abstract
Developing high-performance photocatalysts for H2 production via fabricating heterojunctions has attracted much attention. Herein, we design a simple strategy to prepare composites that consist of TaON/CdS hybrids via a hydrothermal process. The results show that the pristine CdS nanoparticles loaded with 20 wt% TaON (TC4) could maximize the photocatalytic hydrogen evolution rate to 19.29 mmol g−1 h−1 under visible light irradiation, which was 2.13 times higher than that of the pristine CdS (9.03 mmol g−1 h−1) under the same conditions. The apparent quantum yield (AQY) of the TC4 nanocomposites at 420 nm was calculated to be 18.23%. The outstanding photocatalytic performance of the composites can be ascribed to the formation of heterojunctions. The electrochemical measurements indicate that the decoration facilitates the generation of extra photo-electrons, prolonging the recombination rate of photogenerated charge carriers, offering adequate active sites and improving catalytic stability. This study sheds light on the construction strategy and the deep understanding of the novel CdS-based composites for high-performance photocatalytic H2 production.
- Subjects
VISIBLE spectra; HETEROSTRUCTURES; LIGHTWEIGHT construction; IRRADIATION; HYDROGEN; CHARGE carriers
- Publication
Catalysts (2073-4344), 2022, Vol 12, Issue 10, p1110
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal12101110