等离子体金纳米双锥强局域电场促进共价有机框架光催化析氢研究

引用本文: 邓玉金, 陈怡爽, 张礼杰, 金辉乐, 杨云, 徐全龙, 王舜. 等离子体金纳米双锥强局域电场促进共价有机框架光催化析氢研究[J]. 物理化学学报, 2026, 42(6): 100193. doi: 10.1016/j.actphy.2025.100193 shu

Citation: Yujin Deng, Yishuang Chen, Lijie Zhang, Huile Jin, Yun Yang, Quanlong Xu, Shun Wang. Plasmonic Au nanobipyramid assembly covalent organic framework for boosting photocatalytic hydrogen evolution through strong local electric field[J]. Acta Physico-Chimica Sinica, 2026, 42(6): 100193. doi: 10.1016/j.actphy.2025.100193 shu

等离子体金纳米双锥强局域电场促进共价有机框架光催化析氢研究

邓玉金 ^{1, †,} ,
陈怡爽 ^{1, †,} ,
张礼杰 ^{1, 2,} ,
金辉乐 ^1, ,
杨云 ^{1,
,} ,
徐全龙 ^{1,
,} ,
王舜 ^1,

1.
温州大学化学与材料工程学院, 温州市先进能源存储与转换重点实验室, 浙江温州 325027
2.
温州大学新材料与产业技术研究院, 浙江光学功能材料国际联合实验室, 浙江温州 325027

通讯作者: Email: bachier@163.com (杨云); xuql@wzu.edu.cn (徐全龙)

摘要: 将等离子体金属纳米晶与半导体光催化材料复合是一种提升其光催化性能的有效策略。然而，由于局域表面等离子体共振(LSPR)效应复杂的物理化学行为，其活性增强机制仍不明确。本研究通过原位生长策略精确合成了具有强局域电场(LEF)的金纳米双锥体(NBs)，并将其封装在TpBD-COF中。实验表明，优化后的AuNBs/TpBD-COF复合材料表现出良好的光催化产氢性能，420 nm波长下的表观量子效率(AQE)达到0.58%。电磁场模拟和飞秒瞬态吸收光谱证实，强的局域电场有效促进了电荷分离激子的形成，从而为TpBD-COF产氢过程提供更多热载流子(高能电子/空穴对)。本研究工作为探究LSPR效应提升COF基光催化性能提供了深入见解。

关键词:

English

Plasmonic Au nanobipyramid assembly covalent organic framework for boosting photocatalytic hydrogen evolution through strong local electric field

1.
Wenzhou Key Lab of Advanced Energy Storage and Conversion, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, Zhejiang Province, China
2.
Zhejiang International Joint Laboratory of Optical Functional Materials, Institute of New Materials and Industrial Technology, Wenzhou University, Wenzhou 325027, Zhejiang Province, China

Corresponding author: Email: bachier@163.com (Yun Yang); xuql@wzu.edu.cn (Quanlong Xu)

Received Date: 27 August 2025
Accepted Date: 23 September 2025
Revised Date: 20 September 2025
Available Online: 15 June 2026

Abstract: Integrating plasmonic metal nanocrystal/semiconductor hybrids is a novel approach to contribute photocatalyst with high performance. However, a deep insight of activity acceleration remains elusive because of the complex physicochemical behavior of localized surface plasmon resonance (LSPR) effects. Herein, Au nanobipyramids (NBs) capable of strong local electric field (LEF) are precisely synthesized and encapsulated in TpBD-COF via an in situ growth strategy. As expected, the optimized AuNBs/TpBD-COF hybrid displays a remarkable improvement in photocatalytic H₂ generation reaction, with apparent quantum efficiency (AQE) of 0.58% at 420 nm. Electromagnetic simulation and femtosecond transient absorption spectroscopy demonstrate the critical role of amplified local electric field in generating charge-separated excitons and thus yielding more hot carriers (energetic electron/hole pairs) for H₂ evolution in TpBD-COF. These findings provide a deep insight to examine the LSPR effects for improving the COF-based photocatalytic performance.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

等离子体金纳米双锥强局域电场促进共价有机框架光催化析氢研究

通讯作者: Email: bachier@163.com (杨云); xuql@wzu.edu.cn (徐全龙)

English

Plasmonic Au nanobipyramid assembly covalent organic framework for boosting photocatalytic hydrogen evolution through strong local electric field

Corresponding author: Email: bachier@163.com (Yun Yang); xuql@wzu.edu.cn (Quanlong Xu)

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中国化学会秘书处

等离子体金纳米双锥强局域电场促进共价有机框架光催化析氢研究

通讯作者: Email: bachier@163.com (杨云); xuql@wzu.edu.cn (徐全龙)

English

Plasmonic Au nanobipyramid assembly covalent organic framework for boosting photocatalytic hydrogen evolution through strong local electric field

Corresponding author: Email: bachier@163.com (Yun Yang); xuql@wzu.edu.cn (Quanlong Xu)

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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