High-performance SERS substrate based on perovskite quantum dot–graphene/nano-Au composites for ultrasensitive detection of rhodamine 6G and <i>p</i>-nitrophenol
Jiangcai Wang, Cuicui Qiu, Hua Pang, Junyu Wu, Mengtao Sun, Dameng Liu
Abstract
The designed PQD–G/Au nanocomposite shows high performance for ultrasensitive detection of R6G and PNP, attributed to the synergistic effect of the EM enhancement of Au nanostructures and CM enhancement of PQD–G heterostructures.
Topics & Concepts
Rhodamine 6GMaterials scienceNanocompositeGrapheneQuantum dotSubstrate (aquarium)HeterojunctionRhodamine BNano-NanoparticleNanotechnologyPerovskite (structure)Composite materialOptoelectronicsChemical engineeringPhotocatalysisFluorescenceCatalysisOpticsPhysicsChemistryOceanographyEngineeringGeologyBiochemistryGold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesNanocluster Synthesis and Applications