Dendritic Composite Photocatalyst AgVO3/ZnIn2S4: Preparation and Study on Photocatalytic Hydrogen Production Performance

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Catalysis Letters Pub Date : 2025-05-24 DOI:10.1007/s10562-025-05053-1

Jia Du, Li Liu, Yonghui Wang, Chen Liu, Shunshun Yu, Yan Xue, Qiang Liu, Keliang Wu

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引用次数: 0

Abstract

To mitigate the problem of rapid charge carrier recombination in isolated ZnIn₂S₄ photocatalysts, researchers developed an AgVO₃/ZnIn₂S₄ hybrid material through controlled composite formation. The photocatalytic reaction facilitated the reduction of Ag⁺ ions to metallic Ag nanoparticles, which effectively mediated electron transfer processes. This investigation systematically evaluated how different AgVO₃ incorporation levels influenced the composite hydrogen generation efficiency. Optimal performance was achieved with the 20 wt% AgVO₃/ZnIn₂S₄ formulation, demonstrating exceptional photocatalytic activity with a hydrogen yield of 15.932 mmol·g^− 1·h^− 1 and a corresponding photocurrent density of 13.33 µA·cm^− 2. These findings confirm that the engineered composite architecture successfully suppresses charge recombination while significantly boosting photocatalytic performance. The developed modification approach for ZnIn₂S₄ provides important insights for future catalyst design and optimization strategies. This research represents meaningful progress in developing robust and high-efficiency photocatalytic systems for sustainable hydrogen production and related energy applications.

Graphical Abstract

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枝状复合光催化剂AgVO3/ZnIn2S4的制备及光催化制氢性能研究

为了缓解分离ZnIn2S4光催化剂中快速载流子重组的问题，研究人员通过控制复合形成开发了AgVO3/ZnIn2S4杂化材料。光催化反应促进银离子还原为金属银纳米粒子，有效地介导了电子转移过程。本研究系统评价了不同AgVO3掺入水平对复合产氢效率的影响。当AgVO3/ZnIn2S4配比为20 wt%时，其光催化性能最佳，产氢率为15.932 mmol·g−1·h−1，相应的光电流密度为13.33 μ a·cm−2。这些发现证实了工程复合材料结构成功地抑制了电荷重组，同时显著提高了光催化性能。所开发的ZnIn2S4改性方法为未来催化剂的设计和优化策略提供了重要的见解。这项研究代表了在开发稳健和高效的光催化系统用于可持续制氢和相关能源应用方面取得的有意义的进展。图形抽象

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.