Preparation and characteristics of electrospun activated carbon materials having meso- and macropores.
Ji Sun Im, Soo-Jin Park, Young-Seak Lee
Index: J. Colloid. Interface Sci. 314(1) , 32-37, (2007)
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Abstract
Mesoporous activated carbon samples were prepared from electrospun PAN-based carbon fibers using physical activation with silica. Textural characterization was performed using nitrogen adsorption at 77 K. The BET specific surface area and pore size distribution of silica activated carbon materials were investigated. According to the increment of silica, BET specific surface area was increased about thirty times and it was found that silica activated carbon materials were highly mesoporous by studying pore surface distribution and pore volume distribution. Surface morphology of silica activated carbon materials were observed by SEM images. The spherical typed carbon materials were investigated. The diameter of spherical typed carbon materials was increased in proportional of the increment of silica.
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