Highly fluorescent nitrogen-doped carbon dots for selective and sensitive detection of Hg2+ and ClO− ions and fluorescent ink

Yu-Xuan Li,Jan-Yee Lee,Hsin Lee,Cho-Chun Hu,Tai-Chia Chiu

Journal of Photochemistry and Photobiology A: Chemistry（2021）

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摘要

•Nitrogen-doped carbon dots (NCDs) were synthesized by one-pot hydrothermal treatment.•NCDs exhibited strong blue fluorescence with a high fluorescence quantum yield.•A highly sensitive and selective NCDs fluorescent probe for detection of Hg2+ and ClO−.•NCDs could be used as a fluorescent ink.•The sensor was successfully applied in water samples with satisfactory recovery.

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关键词

Carbon dots,Fluorescent ink,Hydrothermal,Hypochlorite ion,Mercuric ion,Optical sensing

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