Synthesis and photoluminescence of graphdiyne

Graphdiyne was prepared by a cross coupling reaction and characterized by SEM, TEM, XRD, Raman spectroscopy and XPS. Its photoluminescence (PL) properties were investigated. It was found that the graphdiyne has a thickness of ca. 1 μm, a O/C atomic ratio of ca. 0.1741 and many oxygen-containing func...

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Bibliographic Details
Published in:New carbon materials 2018-12, Vol.33 (6), p.516-521
Main Authors: Zheng, Yong-ping, Feng, Qian, Tang, Nu-jiang, Du, You-wei
Format: Article
Language:English
Subjects:
CO2 adsorption
Heteroatom
Polybenzoxazine
Porous carbons
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Summary:Graphdiyne was prepared by a cross coupling reaction and characterized by SEM, TEM, XRD, Raman spectroscopy and XPS. Its photoluminescence (PL) properties were investigated. It was found that the graphdiyne has a thickness of ca. 1 μm, a O/C atomic ratio of ca. 0.1741 and many oxygen-containing functional groups. It exhibits strong ultraviolet (UV) PL at 397 nm and optical absorption at ca. 280 nm. It is proposed that the oxygen-containing functional groups in the graphdiyne induce charge transfer, leading to the PL properties. As a new kind of artificially synthesized carbon allotrope, graphdiyne with UV PL have many applications.
ISSN:1872-5805
1872-5805
DOI:10.1016/S1872-5805(18)60354-3