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Abstract：
The application of fluorescent graphitic carbon nitride (g-C3N4) nanomaterials was limited by short photoluminescence (PL) wavelength. It is great desirable to develop g-C3N4 nanomaterials with long PL wavelength and high quantum yield to expand their application. Herein phenyl-modified and sulfur doped g-C3N4 (PhCNS) powders with tunable PL peak from 520 to 630 nm were prepared by copolymerization of 2,4-diamino-6-phenyl-1,3,5-triazine and trithiocyanuric acid. The copolymerization process of PhCNS powders was proposed after chemical structure characterization and PL mechanism of PhCNS powders were investigated by transient fluorescence. In virtue of tunable PL color, broad PL peak, and high quantum yield, PhCNS powders were utilized to fabricate green, yellow, and white light-emitting diodes with high color quality and PhCNS nanosheets were applied for multicolor bioimaging. This work provides a pathway for exploring g-C3N4 nanomaterials with long PL wavelength and facilitates their application in biocompatible optoelectronic devices, fluorescent bioimaging.
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ACS APPLIED NANO MATERIALS
ISSN： 2574-0970
Year： 2020
Issue： 7
Volume： 3
Page： 6798-6805
5 . 0 9 7
JCR@2020
5 . 3 0 0
JCR@2023
ESI Discipline： MATERIALS SCIENCE;
ESI HC Threshold：196
JCR Journal Grade：2
Cited Count：
WoS CC Cited Count： 45
SCOPUS Cited Count： 49
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 0
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