Carbon dots/ZnO quantum dots composite-based white phosphors for white light-emitting diodes

Wenjing Li; Min Wu; Hang Jiang; Longhui Yang; Chao Liu; Xiao Gong

doi:10.1039/D1CC06180A

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Carbon dots/ZnO quantum dots composite-based white phosphors for white light-emitting diodes†

Wenjing Li,‡^a Min Wu,

‡^b Hang Jiang,^a Longhui Yang,^a Chao Liu

^a and Xiao Gong

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
E-mail: xgong@whut.edu.cn

^b Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, China

Abstract

A facile synthetic approach to prepare environmentally friendly white fluorescent carbon dots (CDs)/ZnO quantum dots (QDs) composites through electrostatic force is described. This method can be used for fabrication of high-performance white light-emitting diodes (WLEDs). The fluorescence emission spectra of WLED devices covered a range from 425 nm to 750 nm. WLEDs had a CIE chromaticity coordinate of (0.30, 0.34) and a color temperature of 7093 K.

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Article information

DOI: https://doi.org/10.1039/D1CC06180A
Article type: Communication
Submitted: 02 Nov 2021
Accepted: 22 Dec 2021
First published: 23 Dec 2021

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Chem. Commun., 2022,58, 1910-1913

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Carbon dots/ZnO quantum dots composite-based white phosphors for white light-emitting diodes

W. Li, M. Wu, H. Jiang, L. Yang, C. Liu and X. Gong, Chem. Commun., 2022, 58, 1910 DOI: 10.1039/D1CC06180A

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Chemical Communications

Carbon dots/ZnO quantum dots composite-based white phosphors for white light-emitting diodes†

Abstract

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Carbon dots/ZnO quantum dots composite-based white phosphors for white light-emitting diodes

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