Efficient fluorescence quenching in carbon dots by surface-doped metals--disruption of excited state redox processes and mechanistic implications.

Abstract

The carbon dots in this study were small carbon nanoparticles with the particle surface functionalized by oligomeric poly(ethylene glycol) diamine molecules. Upon photoexcitation, the brightly fluorescent carbon dots in aqueous solution served the function of excellent electron donors to reduce platinum(IV) and gold(III) compounds into their corresponding… (More)
DOI: 10.1021/la302506e

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