高光致发光且对温度敏感的磷、氮、硼共掺杂碳量子点及其对姜黄素的高灵敏识别

Highly photoluminescent and temperature-sensitive P, N, B-co-doped carbon quantum dots and their highly sensitive recognition for curcumin.

作者信息

Wu Bin, Liu Xiaolong, Shi Xiaofeng, Han Wei, Wang Chunru, Jiang Li

机构信息

CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS) Beijing 100190 P. R. China

University of Chinese Academy of Sciences Beijing 100049 P. R. China.

出版信息

RSC Adv. 2019 Mar 13;9(15):8340-8349. doi: 10.1039/c9ra00183b. eCollection 2019 Mar 12.

Water-soluble P, N, B-co-doped carbon quantum dots (PNBCDs) synthesized using a convenient hydrothermal method exhibit many excellent features, such as strong fluorescence, excitation-independent emission, high monodispersity, good stability, and excellent water solubility with a fluorescence quantum yield of 21.95%. The as-prepared PNBCDs possessed remarkable selectivity and sensitivity towards curcumin with the linear range of 0-1.5 μmol L and the detection limit for curcumin was 68 nmol L (3/). Additionally, the wonderfully reversible and repeatable sensitivity to external temperature makes it possible that the PNBCDs could be used as a biocompatible fluorescent ink and for thermo-sensitive devices.