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

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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

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Publication details

The article was received on 23 Sep 2019, accepted on 20 Nov 2019 and first published on 21 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC07448A
Chem. Commun., 2019, Advance Article

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    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, Advance Article , DOI: 10.1039/C9CC07448A

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