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High stability AlF1.5(OH)1.5/CdS photocatalysts for hydrogen evolution under visible light

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Listed:
  • Zhang, Yihui
  • Fa, Miao
  • Xiong, Liuying
  • Ma, Yangbo
  • Chen, Wei
  • Li, Xiying
  • Zhou, Shuaishuai
  • Mao, Liqun

Abstract

Hydrogen, as a renewable energy carrier, can be sustainably produced via photocatalytic water splitting. Among semiconductor photocatalysts, CdS demonstrates potential due to its optimal bandgap, yet suffers from instability and inefficient charge carrier transfer. To address these challenges, this study introduces AlF1.5(OH)1.5 as a dual-functional modifier for CdS: (1) forming an anti-corrosion protective layer, and (2) leveraging Lewis acid sites to accelerate charge separation. The synthesized AlF1.5(OH)1.5/CdS composites exhibited remarkable performance, with the optimized AlF1.5(OH)1.5/CdS-0.4 sample maintaining high activity after 25-h cycling tests, which achieved a 3.2-fold enhancement in hydrogen evolution rate compared to pristine CdS. These findings establish AlF1.5(OH)1.5/CdS as a robust candidate for solar-driven hydrogen production.

Suggested Citation

  • Zhang, Yihui & Fa, Miao & Xiong, Liuying & Ma, Yangbo & Chen, Wei & Li, Xiying & Zhou, Shuaishuai & Mao, Liqun, 2026. "High stability AlF1.5(OH)1.5/CdS photocatalysts for hydrogen evolution under visible light," Renewable Energy, Elsevier, vol. 260(C).
    • Handle: RePEc:eee:renene:v:260:y:2026:i:c:s096014812600039x
    DOI: 10.1016/j.renene.2026.125214
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    References listed on IDEAS

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    1. Ishaq, Abubakar & Rafiq, Khezina & Abid, Muhammad Zeeshan & Aiman, Umme & Hussain, Ejaz, 2024. "Unveiling the potential of Au cocatalysts to induce SPR charges on CuO/CdS system for sunlight driven hydrogen production†," Renewable Energy, Elsevier, vol. 237(PD).
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