화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.110, 217-224, June, 2022
DOI10.1016/j.jiec.2022.02.056  Export Citation
Boosting photocharge separation in Z-schemed g-C3N4/RGO/ln2S3 photocatalyst for H2 evolution and antibiotic degradation
Bingrong Guo1, 2, Bin Liu1, 2, †, Chaoli Wang1, 2, Junhong Lu1, 2, Yuhua Wang1, 2, Shu Yin3, Muhammad Sufyan Javed4, and Weihua Han4, †
  • 1National & Local Joint Engineering Laboratory Light Convers Materials & Ministry of Education, Lanzhou University, Lanzhou 730000, China
  • 2School of Materials and Energy, Lanzhou University, Lanzhou 730000, China
  • 3IMRAM Tohoku University, Sendai, 980-8577, Japan
  • 4School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
E-mail:,
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 g- C3N4 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.
Keywords:Photocatalysis;g-C3N4/RGO/ln2S3;Z-scheme;Solar H2 evolution;Tetracycline hydrochloride degradation
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