Physical modification of carbon materials using polymers is a useful technique for altering surface properties. The adsorption phenomenon of polybenzimidazole (PBI) in organic solvents onto different carbon materials with different surface morphologies and chemical compositions was examined to assess the key parameter controlling the adsorption phenomena. Adsorption isotherm measurements revealed that the adsorption of PBI was irreversible and thermodynamically favourable when interaction between solvent-carbon or PBI-solvent is low. PBI did not diffuse into micropore and the coverage ratio of the PBI onto mesopore and macropore surface was around 60%.
- A. B. M. Nazmul Islam
- Nana Kayo
- Tsuyohiko Fujigaya
