物理化学学报 >> 2025, Vol. 41 >> Issue (10): 100121.doi: 10.1016/j.actphy.2025.100121

所属专题: 光催化中的S型异质结

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MOF衍生的ZnO/PANI S型异质结用于高效光催化苯酚矿化耦合H2O2生产

刘博文1, 张建军2, 李瀚3, 程蓓1, 别传彪2,*()   

  1. 1 武汉理工大学材料复合新技术全国重点实验室, 湖北 武汉 430070
    2 中国地质大学(武汉)材料与化学学院, 太阳燃料实验室, 湖北 武汉 430078
    3 湖北汽车工业学院汽车材料学院, 湖北 十堰 442020
  • 收稿日期:2025-06-03 修回日期:2025-06-13 录用日期:2025-06-15 发布日期:2025-09-29
  • 通讯作者: Email: biechuanbiao@cug.edu.cn (别传彪)
  • 基金资助:
    国家重点研发计划项目(2022YFB3803600); 国家自然科学基金(22202187); 国家自然科学基金(U24A2071); 国家自然科学基金(22278324); 国家自然科学基金(22361142704); 国家自然科学基金(U23A20102); 湖北省自然科学基金(2025AFB492); 湖北省自然科学基金(2022CFA001); 湖北省重点研发计划项目(2023BAB113)

MOF-derived ZnO/PANI S-scheme heterojunction for efficient photocatalytic phenol mineralization coupled with H2O2 generation

Bowen Liu1, Jianjun Zhang2, Han Li3, Bei Cheng1, Chuanbiao Bie2,*()   

  1. 1 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei Province, China
    2 Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430078, Hubei Province, China
    3 School of Automotive Materials, Hubei University of Automotive Technology, Shiyan 442020, Hubei Province, China
  • Received:2025-06-03 Revised:2025-06-13 Accepted:2025-06-15 Published:2025-09-29
  • Contact: Email: biechuanbiao@cug.edu.cn (Chuanbiao Bie)
  • Supported by:
    the National Key Research and Development Program of China(2022YFB3803600); the National Natural Science Foundation of China(22202187); the National Natural Science Foundation of China(U24A2071); the National Natural Science Foundation of China(22278324); the National Natural Science Foundation of China(22361142704); the National Natural Science Foundation of China(U23A20102); Hubei Provincial Natural Science Foundation(2025AFB492); Hubei Provincial Natural Science Foundation(2022CFA001); the Key R&D Program Projects in Hubei Province(2023BAB113)

摘要:

持久性有机污染物在废水中的完全矿化仍是一项艰巨挑战。本研究报道了一种通过原位氧化聚合法合成的ZIF-8衍生ZnO/聚苯胺(PANI)S型异质结的理性设计。先进表征技术证实了ZnO/PANI异质结内S型电荷转移机制。优化后的复合材料在模拟太阳光照射下,60 min内实现苯酚完全矿化,同时以0.75 mmol∙L−1·h–1的速率生成H2O2。机理研究表明,S型异质结保留了强氧化还原电势,驱动活性氧物种的形成,从而实现H2O2合成与苯酚降解。该工作为MOF衍生的无机/有机S型异质结建立了普适性设计范式,有效耦合了太阳能驱动的能源转化与环境修复。

关键词: 光催化, S型异质结, H2O2生产, 苯酚矿化, 氧化锌

Abstract:

Complete mineralization of persistent organic pollutants in wastewater remains a formidable challenge. Here, we report the rational design of a ZIF-8-derived ZnO/polyaniline (PANI) S-scheme heterojunction synthesized via in situ oxidative polymerization. Advanced characterizations confirm the S-scheme charge transfer mechanism within the ZnO/PANI heterojunction. The optimized composite achieves complete phenol mineralization within 60 min while concurrently generating H2O2 at a rate of 0.75 mmol∙L−1·h–1 under simulated solar irradiation. Mechanistic studies verify that the S-scheme heterojunction retains strong redox potentials, driving the formation of reactive oxygen species for H2O2 production and phenol degradation. This work establishes a universal design paradigm for MOF-derived inorganic/organic S-scheme heterojunctions, effectively coupling solar-driven energy conversion with environmental remediation.

Key words: Photocatalysis, S-scheme heterojunction, H2O2 production, Phenol degradation, ZnO