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<p>In this study, a series of CdS/CdIn<sub>2</sub>S<sub>4</sub> heterojunctions were successfully synthesized via a simple one-step hydrothermal synthesis method by regulating the adding amount of thioacetamide (TAA) in stoichiometric Cd<sup>2+</sup> and In<sup>3+</sup> solutions. The prepared CdS/CdIn<sub>2</sub>S<sub>4</sub> heterojunction exhibits much higher photocatalytic hydrogen evolution reaction (HER) activity than single CdS and CdIn<sub>2</sub>S<sub>4</sub>. The maximum apparent quantum yield (AQY) reaches 14.2% at 420&#xa0;nm and shows good stability. The heterostructure facilitates the separation and migration of photo-induced charge carriers, thereby improving the photocatalytic HER performance.</p>

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One-step hydrothermal synthesis CdS/CdIn2S4 heterostructure with high visible light activity for hydrogen evolution

  • 期刊论文

  • 发表日期：

    2025年6月10日

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  • Shaoqin Peng,
  • Qing Xiao,
  • Yuexiang Li

摘要

In this study, a series of CdS/CdIn2S4 heterojunctions were successfully synthesized via a simple one-step hydrothermal synthesis method by regulating the adding amount of thioacetamide (TAA) in stoichiometric Cd2+ and In3+ solutions. The prepared CdS/CdIn2S4 heterojunction exhibits much higher photocatalytic hydrogen evolution reaction (HER) activity than single CdS and CdIn2S4. The maximum apparent quantum yield (AQY) reaches 14.2% at 420 nm and shows good stability. The heterostructure facilitates the separation and migration of photo-induced charge carriers, thereby improving the photocatalytic HER performance.