Issue 100, 2019

Ultra-high quantum yield ultraviolet fluorescence of graphitic carbon nitride nanosheets

Abstract

Graphitic carbon nitride (g-CN) nanosheets (CNNs) with an ultra-high quantum yield (80.1%) ultraviolet fluorescence (FL) were prepared. The effects of the lateral size and the polymerization temperature on the optical properties of CNNs have been studied. The ultraviolet FL was proved to have originated from the isolated melem units according to the density functional theory calculation and mass spectra. The obtained CNNs are further used as a pH probe due to the dependence of the FL signal on the pH of the solution.

Graphical abstract: Ultra-high quantum yield ultraviolet fluorescence of graphitic carbon nitride nanosheets

Supplementary files

Article information

Article type
Communication
Submitted
23 Sep 2019
Accepted
20 Nov 2019
First published
21 Nov 2019

Chem. Commun., 2019,55, 15065-15068

Ultra-high quantum yield ultraviolet fluorescence of graphitic carbon nitride nanosheets

Z. Zhuo, Y. Jiao, L. Chen, H. Li, M. Dai, Z. Lin, H. Yang, F. Fu and Y. Dong, Chem. Commun., 2019, 55, 15065 DOI: 10.1039/C9CC07448A

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