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Issue 33, 2017
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A graphyne-like porous carbon-rich network synthesized via alkyne metathesis

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Abstract

The synthesis of graphyne has been considered challenging, especially when it comes to adopting new topologies and obtaining thinner layers. Herein, we report the synthesis and characterization of a graphyne-like porous carbon-rich network via alkyne metathesis reactions, which resulted in a sp2/sp hybridized 2D thin film structure with a layer to layer distance of 0.37 nm. This graphyne-like porous carbon-rich network is an n-type semiconductor with a low work function of 3.9 eV and a reduction potential of −0.54 V vs. SHE, which could be applied as an excellent reducing agent for metal electroless deposition. In addition, this material has a narrow pore size distribution of 2 to 4 nm, a high surface area of 675 m2 g−1 and a large pore volume of 0.795 cm3 g−1 favoring gas adsorption. It shows the selective absorption of CO2 over N2 owing to the strong affinity between CO2 and the carbon–carbon triple bond.

Graphical abstract: A graphyne-like porous carbon-rich network synthesized via alkyne metathesis

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Supplementary files

Article information


Submitted
30 Mar 2017
Accepted
16 Jul 2017
First published
20 Jul 2017

Nanoscale, 2017,9, 11939-11943
Article type
Paper

A graphyne-like porous carbon-rich network synthesized via alkyne metathesis

B. Wu, M. Li, S. Xiao, Y. Qu, X. Qiu, T. Liu, F. Tian, H. Li and S. Xiao, Nanoscale, 2017, 9, 11939
DOI: 10.1039/C7NR02247F

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