Yellow-emitting carbon-dots-impregnated carboxy methyl cellulose/poly-vinyl-alcohol and chitosan: stable, freestanding, enhanced-quenching Cu²⁺-ions sensor

Abstract

Yellow-emitting carbon dots/polymer-based sensing films with good time stability and high quantum yields were used to sensitively and selectively detect Cu²⁺ ions due to strengthened aggregation-induced fluorescence quenching.