作者：

Jiahui Dong¹, Xinyu Che¹, Huimin Xiang¹, Huiwen Shu¹, Hao Li², Yang Liu¹*, Hui Huang¹*, Zhenhui Kang^1,3*, Mengling Zhang¹*

单位：

¹State Key Laboratory of Bioinspired Interfacial Materials Science, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, China

²Jiangsu Key Laboratory of Crop Genetics and Physiology/ Jiangsu Key Laboratory of Crop Cultivation and Physiology, Research Institute of Smart Agriculture, Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, Jiangsu, China

³Macao Institute of Materials Science and Engineering (MIMSE), MUST-SUDA Joint Research Center for Advanced Functional Materials, Macau University of Science and Technology, Taipa, Macao, China

摘要：

The critical role of high-performance catalytic devices in green technologies, from environmental remediation to sustainable energy, demands a transformation from materials to functional devices. In this study, we leverage carbon dots (CDs) to construct high-performance and environmentally benign catalytic systems, motivated by their low toxicity, enzyme-like activities, and tunable structures and properties. Specifically, CDs featuring a cyclic dipeptide structure and hydrolase-like activity were immobilized in polyacrylonitrile (PAN) to form a fibrous membrane (CDs@PAN). Using the hydrolysis of p-nitrophenyl phosphate (pNPP) as a model reaction, the CDs@PAN membrane demonstrated high efficiency (V_m = 40.79 µM/h) in the hydrolysis of pNPP under mild, neutral conditions. Moreover, the membrane could be easily recovered and reused at least five times without significant loss of activity. A practical catalytic device constructed with the CDs@PAN membrane achieved an 81.88% degradation rate within 72 h. Besides, the catalytic mechanism of the CDs@PAN membrane was explored, which revealed that the PAN matrix enhances substrate adsorption, thereby promoting stronger hydrogen bonding between CDs and substrate. This interaction effectively activates the P─O bond and facilitates efficient hydrolysis. Overall, this study provides a feasible strategy and a promising material platform for developing practical green catalytic technologies.

影响因子：

19.0

分区情况：

一区

链接：

https://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.75047