A visualized ratiometric fluorescence sensing system for copper ions based on gold nanoclusters/perovskite quantum dot@SiO<sub>2</sub> nanocomposites
Wanying Xue, Jiangyan Zhong, Haishan Wu, Jianhua Zhang, Yuwu Chi
Abstract
Green light-emitting SiO 2 -encapsulated single perovskite quantum dot (PQD@SiO 2 ) core-shell nanostructures are composited with red light-emitting gold nanoclusters (AuNCs) to obtain a visualized ratiometric fluorescence sensor for the detection of Cu 2+ .
Topics & Concepts
NanoclustersFluorescenceQuantum dotIonCopperMaterials scienceChemistryMetal ions in aqueous solutionAnalytical Chemistry (journal)PhotochemistryNanotechnologyOpticsChromatographyMetallurgyPhysicsOrganic chemistryNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in CatalysisCarbon and Quantum Dots Applications