Heterostructure with tightly-bound interface between In2O3 hollow fiber and ZnIn2S4 nanosheet toward efficient visible light driven hydrogen evolution

IF 20.2 1区化学 Q1 CHEMISTRY, PHYSICAL

Applied Catalysis B: Environmental Pub Date : 2024-01-03 DOI:10.1016/j.apcatb.2024.123697

Ping Lu , Ke Liu , Yan Liu , Zhilin Ji , Xiaoxia Wang , Bin Hui , Yukun Zhu , Dongjiang Yang , Luhua Jiang

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引用次数: 0

Abstract

Visible-light-driven photocatalytic hydrogen evolution is considered as one of the most useful approaches to produce renewable fuels from abundant resources. Indium oxide (In₂O₃) has attracted much attention in the field of solar hydrogen production due to its moderate band gap, which can be driven by visible light easily. However, the efficiency of hydrogen evolution reaction (HER) of In₂O₃ is currently unsatisfactory. To enhance the HER efficiency of In₂O₃, herein, sandwich-structured In₂O₃/ZnIn₂S₄ heterostructure was precisely constructed via in-situ growth of ZnIn₂S₄ nanosheets on the In₂O₃ hollow fibers. The fabricated In₂O₃/ZnIn₂S₄ heterostructure exhibited a significantly enhanced photocatalytic HER activity of 2.18 mmol/g/h as compared to pure In₂O₃ and ZnIn₂S₄. Such efficient photocatalytic hydrogen production is attributed to the tightly-bound interface between (001) planes of flake ZnIn₂S₄ and (222) planes of In₂O₃. Experimental and theoretical investigation indicates compactly interface enabling efficient charge transfer and separation, which benefited the excellent photocatalytic HER performance.

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In2O3 中空纤维与 ZnIn2S4 纳米片之间具有紧密结合界面的异质结构，可实现高效的可见光驱动氢气演化

可见光驱动的光催化氢进化被认为是利用丰富资源生产可再生燃料的最有用方法之一。氧化铟（In2O3）因其带隙适中，容易被可见光驱动而在太阳能制氢领域备受关注。然而，目前 In2O3 的氢进化反应（HER）效率并不令人满意。为了提高 In2O3 的氢演化效率，本文通过在 In2O3 中空纤维上原位生长 ZnIn2S4 纳米片，精确地构建了夹层结构的 In2O3/ZnIn2S4 异质结构。与纯 In2O3 和 ZnIn2S4 相比，所制备的 In2O3/ZnIn2S4 异质结构的光催化 HER 活性显著提高，达到 2.18 mmol/g/h。如此高效的光催化制氢能力归功于片状 ZnIn2S4 的（001）平面与 In2O3 的（222）平面之间紧密结合的界面。实验和理论研究表明，紧密结合的界面能够实现高效的电荷转移和分离，从而有利于实现出色的光催化 HER 性能。

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来源期刊

Applied Catalysis B: Environmental 环境科学-工程：化工

CiteScore

38.60

自引率

6.30%

发文量

1117

审稿时长

24 days

期刊介绍： Applied Catalysis B: Environment and Energy (formerly Applied Catalysis B: Environmental) is a journal that focuses on the transition towards cleaner and more sustainable energy sources. The journal's publications cover a wide range of topics, including: 1.Catalytic elimination of environmental pollutants such as nitrogen oxides, carbon monoxide, sulfur compounds, chlorinated and other organic compounds, and soot emitted from stationary or mobile sources. 2.Basic understanding of catalysts used in environmental pollution abatement, particularly in industrial processes. 3.All aspects of preparation, characterization, activation, deactivation, and regeneration of novel and commercially applicable environmental catalysts. 4.New catalytic routes and processes for the production of clean energy, such as hydrogen generation via catalytic fuel processing, and new catalysts and electrocatalysts for fuel cells. 5.Catalytic reactions that convert wastes into useful products. 6.Clean manufacturing techniques that replace toxic chemicals with environmentally friendly catalysts. 7.Scientific aspects of photocatalytic processes and a basic understanding of photocatalysts as applied to environmental problems. 8.New catalytic combustion technologies and catalysts. 9.New catalytic non-enzymatic transformations of biomass components. The journal is abstracted and indexed in API Abstracts, Research Alert, Chemical Abstracts, Web of Science, Theoretical Chemical Engineering Abstracts, Engineering, Technology & Applied Sciences, and others.