Journal
CHINESE CHEMICAL LETTERS
Volume 32, Issue 2, Pages 591-593Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2020.11.042
Keywords
Fluorescent carbon dots; Solid synthesis; High yield; White LEDs; One-step
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In this study, white fluorescent carbon dots (W-CDs) were directly prepared using 1,6-dihydroxynaphthalene (1,6-DHN) and L-asparagine (L-Asn) as carbon sources through a simple solvent-free method. The as-prepared W-CDs can be obtained in high yield and used to fabricate relatively pure white LEDs, showing promising future for a wide range of optoelectronic devices.
Herein, we directly prepared white fluorescent CDs (W-CDs) using 1,6-dihydroxynaphthalene (1,6-DHN) and L-asparagine (L-Asn) as carbon sources through a simple solvent-free method. As-prepared W-CDs can be obtained in high yield (95%). A relative pure white LEDs (WLEDs) were fabricated with Commission Internationale de L'Eclairage (CIE) coordinates of (0.32, 0.31). As-prepared W-CDs will have promising future for a wide range of optoelectronic devices. (C) 2021 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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