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March 10, 2026Advanced Sustainable Systems0 citations

Negative Bias Z-Scheme n-Si/Pt/Mo: BiVO4 Tandem Photoanode for Water Splitting

Negative Bias Potential Derived n‐Si/Pt/Mo: BiVO 4 Tandem Photoanode for Water Splitting

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Authors

HFHanduo FuKFKe FangSMShenhui Ma

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Overview

Experimental investigation shows enhanced water splitting performance using a silicon-based photoanode, suggesting a novel approach for solar energy conversion.

Key Points

  • The study aims to explore the potential of a silicon-based photoanode using a Z-scheme system for enhanced water splitting efficiency.
  • Fabrication of an n-Si/Pt/Mo-doped BiVO4 sandwich-like film.
  • Integration of an intermediate carrier transfer layer.
  • Theoretical calculations combined with experimental approaches to assess performance.
  • Assessment of anodic displacement current and photocurrent density.
  • Achieved a photocurrent density of 1.56 mA/cm2 under negative voltage (−0.57 V vs. RHE).
  • Demonstrated a photogenerated voltage five times higher than conventional n-Si/Mo: BVO structure.
  • Confirmed that enhanced performance is attributable to the Z-scheme transport processes.

Cite This Study

Fu et al. (2026) studied this question.

synapsesocial.com/papers/69af959570916d39fea4d5b7https://doi.org/10.1002/adsu.202501682
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