Silver nanoparticle incorporated colorimetric/fluorescence sensor for sub-ppb detection of mercury ion via plasmon-enhanced fluorescence strategy

Nirawit Kaewnok,Sasiwimon Kraithong, Thitiwat Mahaveero,Phornphimon Maitarad,Jitnapa Sirirak,Nantanit Wanichacheva,Pattanawit Swanglap

Journal of Photochemistry and Photobiology A: Chemistry（2022）

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摘要

•Colorimetric and fluorescence sensor for selective detection of Hg2+.•Utilization of plasmonic enhancement to improve sensitivity of the sensor.•Ultra-sensitivity with sub-ppb detection limit for Hg2+sensing.•Applications in drinking water and seafood fillets.•Paper test strips for rapid screening of Hg2+ contaminations.

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关键词

Plasmon-enhanced fluorescence,Fluorescence sensor,Mercury sensor,Silver nanoparticle,Rhodamine 6G

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