Issue 12, 2013

A porous diamond carbon framework: a new carbon allotrope with extremely high gas adsorption and mechanical properties

Abstract

Since the C60 and graphene were discovered, carbon allotropes have attracted an increasing attention. Here we designed a porous diamond-like carbon framework (named as D-carbon) by inserting –C[triple bond, length as m-dash]C– linkers into all the C–C bonds in a diamond, which is a new carbon allotrope formed by sp3–sp hybridized carbon atoms. Interestingly, the porous D-carbon exhibits a high bulk modulus of 91.7 GPa, which is one order of magnitude larger than other porous MOF and COF materials. Moreover, the D-carbon also shows an extremely high excess volumetric methane uptake of 255 v(STP)/v at 298 K and 35 bar, largely exceeding the target (180 v(STP)/v) of US DOE and all other porous materials.

Graphical abstract: A porous diamond carbon framework: a new carbon allotrope with extremely high gas adsorption and mechanical properties

Supplementary files

Article information

Article type
Communication
Submitted
23 Nov 2012
Accepted
05 Feb 2013
First published
05 Feb 2013

J. Mater. Chem. A, 2013,1, 3851-3855

A porous diamond carbon framework: a new carbon allotrope with extremely high gas adsorption and mechanical properties

L. Huang, Z. Xiang and D. Cao, J. Mater. Chem. A, 2013, 1, 3851 DOI: 10.1039/C3TA10292K

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