Direct Z-Scheme Heterojunction of SnS2/Sulfur-Bridged Covalent Triazine Frameworks for Visible-Light-Driven CO2 Photoreduction

Shien Guo, Peng Yang, Yanfei Zhao, Xiaoxiao Yu, Yunyan Wu, Hongye Zhang, Bo Yu, Buxing Han, Michael W. George, Zhimin Liu

Research output: Journal PublicationArticlepeer-review

25 Citations (Scopus)

Abstract

Solar-driven reduction of CO2 into renewable carbon forms is considered as an alternative approach to address global warming and the energy crisis but suffers from low efficiency of the photocatalysts. Herein, a direct Z-Scheme SnS2/sulfur-bridged covalent triazine frameworks (S-CTFs) photocatalyst (denoted as SnS2/S-CTFs) was developed, which could efficiently adsorb CO2 owing to the CO2-philic feature of S-CTFs and promote separation of photoinduced electron–hole pairs. Under visible-light irradiation, SnS2/S-CTFs exhibited excellent performance for CO2 photoreduction, yielding CO and CH4 with evolution rates of 123.6 and 43.4 μmol g−1 h−1, respectively, much better than the most catalysts reported to date. This inorganic/organic hybrid with direct Z-Scheme structure for visible-light-driven CO2 photoreduction provides new insights for designing photocatalysts with high efficiency for solar-to-fuel conversion.

Original languageEnglish
Pages (from-to)6278-6283
Number of pages6
JournalChemSusChem
Volume13
Issue number23
DOIs
Publication statusPublished - 7 Dec 2020

Keywords

  • CO reduction
  • SnS
  • Z-Scheme heterojunction
  • covalent triazine frameworks
  • photocatalysis

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemical Engineering (all)
  • Materials Science (all)
  • Energy (all)

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