Hydrothermal microwave synthesis of water soluble NIR-II emitting Ag <sub>2</sub> S quantum dots
Omar El-Dahshan, Aurélien Deniaud, Wai Li Ling, K. David Wegner, Olivier Proux, Giulia Veronesi, Peter Reiss
Abstract
Microwave-assisted synthesis using l -glutathione as the sulphur source and ligand yields Ag 2 S nanocrystals in a size range of 4–17 nm. Their evolution from the amorphous to the crystalline state leads to tuneable emission from 930 to 1220 nm.
Topics & Concepts
Hydrothermal circulationQuantum dotAqueous solutionHydrothermal reactionHydrothermal synthesisMicrowaveMaterials scienceNanotechnologyChemical engineeringChemistryPhysical chemistryComputer scienceTelecommunicationsEngineeringSulfur-Based Synthesis Techniques