Abstract: Here, we demonstrate deep-blue carbon dots (CDs) with luminous centered at 415 nm and PLQY exceeding 60% via nitrogen doping. 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.

P. Huang†, M.-Z. Li†, C.-F. Wen, J. X. Jian*, Q. X. Tong*, Nitrogen-doped carbon dots for efficient deep-blue light-emitting diodes with CIE closely approaching the HDTV standard color Rec.BT.709, Chem. Commun., 2023, doi:10.1039/D3CC02105J. （中科院二区, IF = 6.065）

https://pubs.rsc.org/en/Content/ArticleLanding/2023/CC/D3CC02105J