In
2
S
3
nanosheets growing on sheet‐like
g‐C
3
N
4
as high‐performance photocatalyst for
H
2
evolution under visible light
International Journal of Energy Research(2022)
摘要
As a potential environmental pollution control and clean energy synthesis technology, photocatalysis has attracted enormous attention of scientists, researchers, and innovators. However, conventional photocatalysts have encountered a lot of issues in solar light utilization and photocatalytic capability. Here, we proposed a solution by decorating narrow-bandgap In2S3 nanosheets on sheet-like g-C3N4 to form a Z-schemed photocatalyst to realize visible light utilization without sacrificing its photocatalytic capability. The composite was used to split water under visible light. Our results show that such a Z-schemed photocatalyst has excellent photocatalytic activity in H2 evolution, which exhibited an H2 generation rate up to 307 μmol g−1 h−1 under 300 W Xe lamp illustration. The favorable performance benefits from the effective solar light absorption by the narrow-bandgap components, In2S3 and g-C3N4. The unique photocarriers transfer behavior in such a Z-scheme structure will respond to its high photocatalytic capability. The work finds new ideas to achieve high-performance photocatalysts by rationally designing their material architecture and energy band structure.
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关键词
nanosheets
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