孔洞清除剂与ZnIn2S4配位相互作用在光催化析氢中的关键作用

IF 17.1 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Nano Energy Pub Date : 2025-02-06 DOI:10.1016/j.nanoen.2025.110750

Ning Xi , Egon Campos dos Santos , Xiaolei Zhao , Chao Cui , Malin Lill , Helena Lundberg , Yuanhua Sang , Hong Liu , Xiaowen Yu

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引用次数: 0

摘要

空穴清除剂在光催化析氢反应（HER）中起着至关重要的作用，但其选择原则一直存在争议。在我们的研究中，我们评估了ZnIn2S4 （ZIS）与10种常用的空穴清除剂的光催化HER性能，并令人惊讶地发现HER效率取决于空穴清除剂与光催化剂之间的配位相互作用，而不是通常认为的清除剂的氧化还原电位。这种配位相互作用可以用吸附能（AE）作为关键指标进行定量解释。值得注意的是，计算的AE与实验观察到的光催化析氢速率（Hrate）之间建立了标度关系。在10种孔洞清除剂中，三乙醇胺与ZIS的配位作用最强，光催化Hrate最高，为226.67 μmol h-1。因此，这项工作为在给定的光催化系统中合理选择孔洞清除剂提供了有价值的指导。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The critical role of coordination interaction between hole scavenger and ZnIn2S4 for photocatalytic hydrogen evolution

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The critical role of coordination interaction between hole scavenger and ZnIn2S4 for photocatalytic hydrogen evolution

Hole scavenger plays a crucial role in the photocatalytic hydrogen evolution reaction (HER), yet the principle guiding its selection remains controversial. In our study, we evaluate the photocatalytic HER performance of ZnIn₂S₄ (ZIS) with ten commonly used hole scavengers, and surprisingly find that the HER efficiency is dependent on the coordination interaction between the hole scavenger and the photocatalyst, rather than the commonly recognized redox potential of the scavengers. This coordination interaction can be quantitatively interpreted using the adsorption energy (AE) as a key metric. Notably, a scaling relationship is established between the calculated AE and the experimentally observed photocatalytic H₂ evolution rate (H_rate). Among the ten investigated hole scavengers, triethanolamine demonstrates the strongest coordination interaction with ZIS, leading to the highest photocatalytic H_rate of 226.67 μmol h^–1. As such, this work offers a valuable guideline for the rational selection of hole scavengers in a given photocatalytic system.

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来源期刊

Nano Energy CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

30.30

自引率

7.40%

发文量

1207

审稿时长

23 days

期刊介绍： Nano Energy is a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering of nanomaterials and nanodevices used in all forms of energy harvesting, conversion, storage, utilization and policy. Through its mixture of articles, reviews, communications, research news, and information on key developments, Nano Energy provides a comprehensive coverage of this exciting and dynamic field which joins nanoscience and nanotechnology with energy science. The journal is relevant to all those who are interested in nanomaterials solutions to the energy problem. Nano Energy publishes original experimental and theoretical research on all aspects of energy-related research which utilizes nanomaterials and nanotechnology. Manuscripts of four types are considered: review articles which inform readers of the latest research and advances in energy science; rapid communications which feature exciting research breakthroughs in the field; full-length articles which report comprehensive research developments; and news and opinions which comment on topical issues or express views on the developments in related fields.