Issue 58, 2023

Nitrogen-doped carbon dots for efficient deep-blue light-emitting diodes with CIE closely approaching the HDTV standard color Rec.BT.709

Abstract

Here, we demonstrate deep-blue carbon dots (CDs) with luminescence centered at 415 nm and PLQY exceeding 60% via nitrogen doping. A bright and high-color-purity CDs-based light-emitting diode (CLED) is achieved with an external quantum efficiency (EQE) of 1.74%, a maximum luminance of 1155.0 cd m−2, and a colour coordinate (0.16, 0.08) closely approaching the HDTV standard color Rec.BT.709 (0.15, 0.06) specification.

Graphical abstract: Nitrogen-doped carbon dots for efficient deep-blue light-emitting diodes with CIE closely approaching the HDTV standard color Rec.BT.709

Supplementary files

Article information

Article type
Communication
Submitted
29 Apr 2023
Accepted
14 Jun 2023
First published
20 Jun 2023

Chem. Commun., 2023,59, 8933-8936

Nitrogen-doped carbon dots for efficient deep-blue light-emitting diodes with CIE closely approaching the HDTV standard color Rec.BT.709

P. Huang, M. Li, C. Wen, H. Zhou, J. Jian and Q. Tong, Chem. Commun., 2023, 59, 8933 DOI: 10.1039/D3CC02105J

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