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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.

DOI:10.1039/c9ra00183b
PMID:35518689
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9061703/
Abstract

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.

摘要

采用简便水热法合成的水溶性磷、氮、硼共掺杂碳量子点（PNBCDs）具有许多优异特性，如强荧光、激发无关发射、高单分散性、良好稳定性以及出色的水溶性，荧光量子产率为21.95%。所制备的PNBCDs对姜黄素具有显著的选择性和灵敏度，线性范围为0 - 1.5 μmol/L，姜黄素的检测限为68 nmol/L（3/）。此外，其对外部温度具有奇妙的可逆和可重复敏感性，这使得PNBCDs有可能用作生物相容性荧光墨水和热敏器件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/83a94f3c4dc5/c9ra00183b-f8.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/c81d4a25f696/c9ra00183b-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/83a94f3c4dc5/c9ra00183b-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/42f1619a82e4/c9ra00183b-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/d60cb2859bd4/c9ra00183b-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/750e6cc58d37/c9ra00183b-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/3c14043378d6/c9ra00183b-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/2d39af4dfa48/c9ra00183b-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/f98e37ceb3b8/c9ra00183b-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1252/9061703/c81d4a25f696/c9ra00183b-f7.jpg
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