电化学发光
纳米团簇
发光体
纳米技术
模板
化学
生物传感器
材料科学
光电子学
发光
电极
物理化学
作者
Xiangyuan Ouyang,Yongli Wu,Linjie Guo,Le Li,Mo Zhou,Xinyi Li,Ting Liu,Yawen Ding,Huaiyu Bu,Gang Xie,Jianlei Shen,Chunhai Fan,Lihua Wang
标识
DOI:10.1002/anie.202300893
摘要
Abstract Copper nanoclusters (CuNCs) are attractive electrochemiluminescence (ECL) emitters as Cu is comparatively inexpensive, nontoxic, and highly abundant. However, their ECL yield is relatively low. Herein, we report that orderly self‐assembly of CuNCs using DNA nanoribbon as the template (DNR/CuNCs) conferred the CuNCs with improved ECL properties compared with individual CuNCs in both annihilation and co‐reactant processes. The DNR/CuNCs resulted in a high ECL yield of 46.8 % in K 2 S 2 O 8 , which was ≈68 times higher than that of individual CuNCs. This strategy was successfully extended to other ECL emitters, such as gold nanoclusters and the Ru(bpy) 3 2+ /TPrA system. Furthermore, as an application of DNR/CuNCs, a DNR/CuNC‐based ECL biosensor with higher sensitivity was constructed for dopamine determination (two orders of magnitude lower than that previously reported), showing that DNR/CuNCs have a potential for application in ECL bioanalysis as a new type of superior luminophore candidate.
科研通智能强力驱动
Strongly Powered by AbleSci AI