Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 5, Pages 1849-1855Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am400112m
Keywords
activated carbon spheres; CO2 adsorption; CO2 activation; Stober method
Funding
- Ohio Research Scholars Program Research Cluster on Surfaces in Advanced Materials
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A series of carbon spheres (CS) was prepared by carbonization of phenolic resin spheres obtained by the one-pot modified Stober method. Activated CS (ACS), having diameters from 200 to 420 nm, high surface area (from 730 to 2930 m(2)/g), narrow micropores (<1 nm) and, importantly, high volume of these micropores (from 0.28 to 1.12 cm(3)/g), were obtained by CO2 activation of the aforementioned CS. The remarkably high CO2 adsorption capacities, 4.55 and 8.05 mmol/g, were measured on these AC spheres at 1 bar and two temperatures, 25 and 0 degrees C, respectively.
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