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Visible-light driven S-scheme Mn 0.2 Cd 0.8 S/CoTiO 3 heterojunction for photocatalytic hydrogen evolution

Renewable Energy, ISSN: 0960-1481, Vol: 173, Page: 389-400
2021
  • 95
    Citations
  • 0
    Usage
  • 21
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    95
    • Citation Indexes
      95
  • Captures
    21

Article Description

A novel S-scheme Mn 0.2 Cd 0.8 S/CoTiO 3 photocatalytic system was formed. The morphology, microstructure, chemical state and optical behavior of Mn 0.2 Cd 0.8 S/CoTiO 3 have been studied using SEM, XRD, TEM, UV–vis, PL and TRPL techniques, which proves that the existence of the S-scheme heterojunction accelerates the transfer of photogenerated carriers and the ability to capture and utilize visible light. The electrochemical test proved that the composite sample greatly reduces the overpotential of the hydrogen evolution reaction, thereby achieving ultra-high hydrogen evolution. In addition, the feasible mechanism of photocatalytic hydrogen evolution is described. This work will furnish fresh insights for the conception and construction of efficient binary heterojunction photocatalysts.

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