Highly efficient carbon dot-based room-temperature fluorescence–phosphorescence dual emitter
Biao Zhao, Runnan Yu, Kunxiang Xu, Chao Zou, Huanyu Ma, Songnan Qu, Zhan’ao Tan
Abstract
Fluorescence–phosphorescence dual emissive carbon dots are facilely synthesized from hydroxyurea through a one-step solvent-free pyrolysis reaction, with a high photoluminescence quantum yield of 21% and phosphorescence quantum yield of 13%.
Topics & Concepts
PhosphorescenceQuantum yieldMaterials scienceFluorescencePhotoluminescencePhotochemistryCommon emitterYield (engineering)Quantum dotCarbon quantum dotsSolventPyrolysisCarbon fibersOptoelectronicsChemistryOpticsOrganic chemistryPhysicsComposite materialMetallurgyComposite numberLuminescence and Fluorescent MaterialsCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications