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April 23, 2026Journal of Materials Chemistry A1 citations

Photothermal–Excitonic Trade-Off in TiO2/BiCuSeO Heterojunctions for Optimal Solar-Driven Hydrogen Production

SMSeiya MotokiThe University of AdelaideJZJinqiang ZhangThe University of Western AustraliaJLJingkai LinThe University of Adelaide

Key Points

  • The goal is to investigate the trade-offs between photothermal and excitonic effects in TiO2/BiCuSeO heterojunctions to improve solar-driven hydrogen production.
  • Designed and synthesized TiO2/BiCuSeO heterojunctions.
  • Evaluated photocatalytic performance under solar illumination.
  • Analyzed the interplay of excitonic and thermal effects on hydrogen evolution.
  • Demonstrated significant enhancement in hydrogen production compared to pure TiO2.
  • Found optimal excitonic contributions at specific compositions of BiCuSeO.
  • Indicated successful utilization of wider solar spectrum for photocatalytic activity.

Abstract

Photocatalytic hydrogen production driven by solar energy presents a promising route for sustainable energy conversion. However, the benchmark photocatalyst TiO2 is constrained by limited harvest of visible and infrared (IR)...

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Cite This Study

Motoki et al. (2026) studied this question.

synapsesocial.com/papers/69e9bb9e85696592c86ed293https://doi.org/10.1039/d6ta00380j
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