物理化学学报 >> 2026, Vol. 42 >> Issue (10): 100237.doi: 10.1016/j.actphy.2026.100237

所属专题： 2026年度《物理化学学报》“新锐科学家”专刊

论文 上一篇    下一篇

界面工程Ⅱ型异质结ZnIn2S4/SCN用于增强纯水中光催化H2O2合成

权永康1,2,†, 李瑞东4,†, 阳云飞1, 丁述国1, 陈榕兴1, 黄剑莹1,*(), 吴永豪5,6,*(), 赖跃坤1,2,3,*()   

  1. 1 福州大学化学工程学院, 福建 福州 350116
    2 清源创新实验室, 福建 泉州 362801
    3 武汉纺织大学新型纺织材料与先进加工省重点实验室, 湖北 武汉 430073
    4 西北大学化工学院, 陕西 西安 710069
    5 香港城市大学能源与环境学院, 香港 九龙塘 999077
    6 Center for Renewable Energy and Storage Technologies (CREST), Physical Science and Engineering (PSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
  • 收稿日期:2025-11-18 修回日期:2026-01-02 录用日期:2026-01-03 发布日期:2026-09-03
  • 通讯作者: Email: jyhuang@fzu.edu.cn (黄剑莹)yunhau.ng@cityu.edu.hk (吴永豪)yklai@fzu.edu.cn (赖跃坤)
  • 作者简介:

    †这些作者对这项工作做出了同等贡献

Interface engineered Type-Ⅱ heterojunction ZnIn2S4/SCN for enhanced photocatalytic H2O2 synthesis from pure water

Yongkang Quan1,2, Ruidong Li4, Yunfei Yang1, Shuguo Ding1, Rongxing Chen1, Jianying Huang1,*(), Yun Hau Ng5,6,*(), Yuekun Lai1,2,3,*()   

  1. 1 College of Chemical Engineering, Fuzhou University, Fuzhou 350116, Fujian Province, China
    2 Qingyuan Innovation Laboratory, Quanzhou 362801, Fujian Province, China
    3 State Key Laboratory of New Textile Materials and Advanced Processing, Wuhan Textile University, Wuhan 430073, Hubei Province, China
    4 School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi Province, China
    5 School of Energy and Environment, City University of Hong Kong, Kowloon Tong 999077, Hong Kong, China
    6 Center for Renewable Energy and Storage Technologies (CREST), Physical Science and Engineering (PSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
  • Received:2025-11-18 Revised:2026-01-02 Accepted:2026-01-03 Published:2026-09-03
  • Contact: Email: jyhuang@fzu.edu.cn (Jianying Huang)yunhau.ng@cityu.edu.hk (Yun Hau Ng)yklai@fzu.edu.cn (Yuekun Lai)

RichHTML

4

PDF

723

赞

补充材料

1

摘要：

过氧化氢(H2O2)作为一种绿色化学品被广泛应用于众多工业领域。光催化合成H2O2是一种前景广阔的绿色合成路径。然而，单一半导体材料受限于光生电荷分离不足和光催化反应效率低下等问题。构建异质结以增强界面电子转移、改善电荷分离，对提升光催化活性至关重要。本研究采用两步法构建了Ⅱ型异质结ZnIn2S4/SCN，形成了定向高速的e-/h+传输通道。内置电场(BEF)为界面处的e-/h+传输与分离提供了驱动力。得益于精心设计的界面结构，单一半导体光催化剂中光生电子-空穴对的高复合率及其较低的光催化活性问题得到了有效解决。ZnIn2S4/SCN异质结在纯水介质中通过氧还原反应(ORR)机制，在空气条件下实现257.0 μmol g-1 h-1的过氧化氢产率，实现了高效的光催化H2O2合成。本研究基于异质结设计，为高效光催化合成H2O2提供了重要参考。

关键词: Ⅱ型异质结, 界面, 光催化, 过氧化氢, 纯水

Abstract:

Hydrogen peroxide (H2O2) is widely utilised as a green chemical across numerous industries. Photocatalytic synthesis of H2O2 represents a highly promising green synthetic pathway. However, the application of single semiconductors is constrained by limitations in photogenerated charge separation and low photocatalytic reaction efficiency. Constructing heterojunctions to enhance interfacial electron transfer and improve charge separation is crucial for enhancing photocatalytic activity. Here, a two-step approach is employed to construct a Type-Ⅱ heterojunction ZnIn2S4/SCN, forming a directional and high-speed e-/h+ transport channel. The built-in electric field (BEF) provides the driving force for the transport and separation of e-/h+ at the interface. Thanks to a well-designed interface, the high recombination rate of photo-generated electron-hole pairs within a single photocatalyst and its relatively low photocatalytic activity have been effectively overcome. The ZnIn2S4/SCN heterojunction achieves a hydrogen peroxide yield of 257.0 μmol g-1 h-1 under air conditions via the oxygen reduction reaction (ORR) mechanism in pure water medium, realising highly efficient photocatalytic H2O2 synthesis. Based on a heterojunction design, this study provides an important reference for the highly efficient photocatalytic synthesis of hydrogen peroxide.

Key words: Type-Ⅱ heterojunction, Interface, Photocatalysis, Hydrogen peroxide, Pure water