Review: LDHs-based photocatalysts for CO2 reduction—modification strategies, performance, and mechanisms

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Science Pub Date : 2025-02-18 DOI:10.1007/s10853-025-10716-w

Shiming Zhang, Keying Liang, Yujia Liu, Xinqiu Tan, Yi Liu, Zuofang Yao, Yanping Hou

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Abstract

Photocatalytic carbon dioxide (CO₂) reduction has gained vast attention as one of the effective approaches to alleviate energy crisis and greenhouse effect. Two-dimensional layered bimetallic hydroxides (LDHs) show great potential in photocatalytic reduction of CO₂ owing to their special layered structure, variability of component metal elements, and interlayer anion exchangeability. In this review, the research progress of CO₂ reduction using LDHs-based photocatalysts was first described by co-occurrence and cluster analysis of research hotspots and trends. Then, photocatalytic activity toward CO₂ reduction of various reported LDHs and modified LDHs-based photocatalysts using different kinds of strategies like elemental doping, defect engineering, heterogeneous structure design, morphology regulation, and surface plasmonic resonance (SPR) effect was thoroughly discussed. Moreover, photocatalytic mechanism insights of LDHs-based photocatalytic materials for CO₂ reduction were summarized. Last but not least, the challenge and research perspective in this field were proposed. This review aims to provide comprehensive insights and guidance for further research and practical application of LDHs-based photocatalysts for conversion of CO₂ into value-added products.

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综述：ldhs光催化剂的CO2还原改性策略、性能和机理

光催化还原二氧化碳（CO2）作为缓解能源危机和温室效应的有效方法之一，已受到广泛关注。二维层状双金属氢氧化物（LDHs）因其特殊的层状结构、组成金属元素的可变性和层间阴离子交换性，在光催化还原二氧化碳方面显示出巨大的潜力。在本综述中，首先通过对研究热点和趋势的共现和聚类分析，阐述了利用基于 LDHs 的光催化剂还原 CO2 的研究进展。然后，深入探讨了已报道的各种 LDHs 以及利用元素掺杂、缺陷工程、异质结构设计、形态调控和表面等离子体共振（SPR）效应等不同策略修饰的 LDHs 基光催化剂还原 CO2 的光催化活性。此外，还总结了基于 LDHs 的光催化材料用于还原 CO2 的光催化机理。最后还提出了该领域的挑战和研究前景。本综述旨在为进一步研究和实际应用基于 LDHs 的光催化剂将 CO2 转化为高附加值产品提供全面的见解和指导。图文摘要

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.