Development of an Inner Filter Effects-Based Upconversion Nanoparticles-Curcumin Nanosystem for the Sensitive Sensing of Fluoride Ion.

Abstract

This paper describes a novel ratiometric fluorescence-based sensor for the detection of fluoride ion. Yb3+, Er3+, and Tm3+ codoped NaYF4 upconversion nanoparticles (UCNPs), which can emit fluorescence at 546, 657, 758, and 812 nm under the 980 nm single wavelength excitation, were synthesized, amino-modified and applied as the fluorescent signal indicator… (More)
DOI: 10.1021/acsami.7b04978

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