The role of [email protected]2 in improving the photocatalytic activity of Bi2S3

Add time:08/28/2019    Source:sciencedirect.com

Bi2S3/[email protected]2 composite photocatalyst was designed by a simple and safe microwave hydrothermal synthesis method. [email protected]2 enhance the catalytic performance of Bi2S3 by double-sided coordination as an electron hole inhibitor and a cocatalyst. The composite photocatalyst possesses a broad photo-absorption band and exhibits a significant enhancement in the 400–800 nm region. Compared with bare Bi2S3, the Bi2S3/[email protected]2 composite exhibits significantly enhanced photocatalytic activity for Cr(VI) and methylene blue (MB) degradation under visible light irradiation. This study shows that the introduction of 1T and 2H MoS2 in a semiconductor photocatalyst is a good strategy for optimizing photocatalytic performance.

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