首页|Boosting photocharge separation in Z-schemed g-C3N4/RGO/ln2S3 photocatalyst for H2 evolution and antibiotic degradation

Boosting photocharge separation in Z-schemed g-C3N4/RGO/ln2S3 photocatalyst for H2 evolution and antibiotic degradation

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? 2022 The Korean Society of Industrial and Engineering ChemistryDue to the high redox ability and effective separation of photocharges, Z-schemed photocatalysts have been extensively used to deal with energy crises and environmental pollution. Here, a novel Z-schemed g-C3N4/RGO/ln2S3 photocatalyst was designed and prepared for hydrogen generation and tetracycline hydrochloride degradation. The properties of optical absorption, separation, and transfer of photocharges and heterojunction on photocatalytic activity of g-C3N4/RGO/ln2S3 composite have been studied. The characterization results showed that the Z-scheme photocatalyst has high efficiency on the separation and transfer of photocharges, and the strong redox ability has also remained. Thus, the g-C3N4/RGO/ln2S3 composite exhibited superior photocatalytic performance than pristine ln2S3 and g-C3N4 in the same situations. The H2 evolution rate can reach up to 512.72 μmolg-1h?1 and the degradation of tetracycline hydrochloride can reach 95.6% in 60 min under visible light irradiation. This work provides a potential pathway for designing and preparing high-performance photocatalysts to produce clean energy and purify the environment.

g-C3N4/RGO/ln2S3PhotocatalysisSolar H2 evolutionTetracycline hydrochloride degradationZ-scheme

Guo B.、Liu B.、Wang C.、Lu J.、Wang Y.、Yin S.、Javed M.S.、Han W.

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National & Local Joint Engineering Laboratory Light Convers Materials & Ministry of Education Lanzhou University

IMRAM Tohoku University

School of Physical Science and Technology Lanzhou University

2022

Journal of industrial and engineering chemistry

Journal of industrial and engineering chemistry

EISCI
ISSN:1226-086X
年,卷(期):2022.110
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