文献类型：期刊文献

英文题名：A multifunctional coating based on carbon quantum dots

作者：Wang, Biao[1,2,3];Yang, Qishuang[4];Mu, Bozhong[1]

机构：[1]East China Univ Sci & Technol, Sch Chem & Mol Engn, State Key Lab Bioreactor Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Engn Res Ctr Microbial Enhanced Oil Recovery, 130 Meilong Rd, Shanghai 200237, Peoples R China;[3]Sinopec, Jiangsu Oilfield, Res Inst Petr Engn Technol, Yangzhou 225009, Peoples R China;[4]Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Wuhan 430074, Peoples R China

年份：2026

卷号：330

外文期刊名：MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS

收录：;EI(收录号：20261620528584);WOS:【SCI-EXPANDED(收录号:WOS:001751270400001)】；

基金：The authors acknowledge the support of the analytical and testing center of Huazhong University of Science and Technology.

语种：英文

外文关键词：Carbon quantum dots; Epoxy coating; Anti-corrosion; Self-healing; Antibacterial

摘要：Carbon quantum dots (CDs) have emerged as environmentally benign corrosion inhibitors; however, their integration into coating systems remains insufficiently explored. In this study, a multifunctional epoxy coating incorporating CDs was developed, exhibiting combined anti-corrosion, self-warning, self-healing, and antibacterial properties. Unlike conventional coatings that typically provide a single function, the proposed system not only offers effective corrosion protection but also enables Fe3+-responsive fluorescence quenching, allowing real-time monitoring of coating damage. Under near-infrared (NIR) irradiation, the photothermal effect of CDs induces localized heating, which enhances polymer chain mobility and facilitates autonomous healing of microcracks. In addition, the coating demonstrates significant antibacterial activity against Pseudomonas cupris, attributed to electrostatic interactions and reactive oxygen species (ROS) generation. This work expands the functional applications of carbon quantum dots in protective coatings and provides a promising strategy for the design of intelligent, multifunctional anticorrosion systems.