Fluorescent carbon dots from birch leaves for sustainable electroluminescent devices
Shi Tang, Yongfeng Liu, Henry Opoku, Märta Gregorsson, Peijuan Zhang, Etienne Auroux, Dongfeng Dang, Anja‐Verena Mudring, Thomas Wågberg, Ludvig Edman, Jia Wang
Abstract
A mild solvothermal synthesis of carbon dots (CDs) from birch leaves is reported. The CDs feature a high quantum yield of 26% in ethanol, and deliver deep-red, narrowband emission ( λ peak = 675 nm, FWHM = 29 nm) in a light-emitting device.
Topics & Concepts
ElectroluminescenceFluorescenceCarbon fibersOptoelectronicsMaterials scienceNanotechnologyChemistryPhotochemistryOpticsComposite materialPhysicsLayer (electronics)Composite numberCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications