Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 110, Issue -, Pages 217-224Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2022.02.056
Keywords
g-C3N4; RGO; ln(2)S(3); Photocatalysis; Z-scheme; SolarH(2)evolution; Tetracycline hydrochloride degradation
Funding
- Science and Technology Planning Project of Gansu Province of China, China [17JR5RA223]
- National Natural Science Foundation of China, China [51972153]
- JSPS [16H06439, 20H00297]
- Dynamic Alliance for Open Innovations Bridging Human, Environment and Materials, the Cooperative Research Program of Network Joint Research Center for Materials and Devices
- Grants-in-Aid for Scientific Research [20H00297] Funding Source: KAKEN
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A novel Z-schemed g-C3N4/RGO/ln2S3 photocatalyst was designed and prepared for hydrogen generation and tetracycline hydrochloride degradation. The results showed that the Z-scheme photocatalyst exhibited high efficiency in the separation and transfer of photocharges, and demonstrated superior photocatalytic performance compared to pristine ln2S3 and gC3N4.
Due 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 Zschemed 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 gC3N4 in the same situations. The H2 evolution rate can reach up to 512.72 lmolg-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. CO 2022 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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