物理化学学报 >> 2025, Vol. 41 >> Issue (12): 100185.doi: 10.1016/j.actphy.2025.100185

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SnS2基异质结构:光催化和气体传感应用的研究进展

刘静静*(), 魏骜琦, 张豪, 多树旺*()   

  1. 江西科技师范大学, 材料与能源学院, 材料表面工程江西省重点实验室, 江西 南昌 330013
  • 收稿日期:2025-08-10 修回日期:2025-09-06 录用日期:2025-09-08 发布日期:2025-10-23
  • 通讯作者: Email: liujingjing1125@163.com (刘静静)dsw@jxstnu.edu.cn (多树旺)
  • 基金资助:
    国家自然科学基金(22368022); 江西省自然科学基金(20242BAB20087); 江西科技师范大学博士科研启动基金(2022BSQD01)

SnS2-based heterostructures: advances in photocatalytic and gas-sensing applications

Jingjing Liu*(), Aoqi Wei, Hao Zhang, Shuwang Duo*()   

  1. Jiangxi Province Key Laboratory of Surface Engineering, School of Materials and Energy, Jiangxi Science and Technology Normal University, Nanchang, 330013, Jiangxi Province, China
  • Received:2025-08-10 Revised:2025-09-06 Accepted:2025-09-08 Published:2025-10-23
  • Contact: Email: liujingjing1125@163.com (Jingjing Liu)dsw@jxstnu.edu.cn (Shuwang Duo)
  • Supported by:
    National Natural Science Foundation of China(22368022); Natural Science Foundation of Jiangxi Province(20242BAB20087); the Scientific Research Foundation for PhD of Jiangxi Science and Technology Normal University(2022BSQD01)

摘要:

近年来,二硫化锡(SnS2)基异质结因其理想带隙(2.0–2.3 eV)、卓越稳定性、环境友好性及优异表面反应活性,在光催化和传感领域展现出巨大应用潜力。尽管优势显著,但目前对该新兴领域的系统性综述仍较为缺乏。本文首先概述了SnS2异质结构的前沿合成策略,继而重点评述其在析氢反应、环境修复和过氧化氢合成等关键应用中的光催化性能表现。随后分析了其气体传感特性,特别聚焦二氧化氮和氨气的检测。机理研究表明,性能提升源于定制的异质结设计:S型异质结显著促进光催化中的电荷分离;n-n/p-n结优化了传感应用中的活性位点分布与气体吸附。SnS2与耦合半导体间的界面协同作用被确认为性能提升的关键因素。最后,本文提出了结论、展望及未来挑战。

关键词: SnS2, 异质结, 光催化, S型, 气敏, 二氧化氮

Abstract:

Recent advances in tin disulfide (SnS2)-based heterojunctions have demonstrated their great potential for photocatalysis and sensing applications, owing to their optimal bandgap (2.0–2.3 eV), remarkable stability, environmental compatibility, and outstanding surface reactivity. Despite these advantages, a comprehensive review systematically addressing this emerging field remains lacking. This review first outlines the state-of-the-art synthesis strategies for SnS2 heterostructures. It then critically evaluates their photocatalytic performance in key applications, including hydrogen evolution, environmental remediation, and hydrogen peroxide production. The gas-sensing capabilities are subsequently analyzed, with special emphasis on nitrogen dioxide and ammonia detection. Mechanistic studies reveal that the enhanced performance originates from tailored heterojunction designs: S-scheme configurations significantly boost charge separation in photocatalysis; n-n/p-n junctions optimize active site distribution and gas adsorption in sensing applications. The interfacial synergy between SnS2 and coupled semiconductors is identified as the key factor governing performance improvements. Finally, some conclusions and perspectives as well as future challenges are presented.

Key words: SnS2, Heterojunction, Photocatalysis, S-scheme, Gas sensing, Nitrogen dioxide