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Phenol/formaldehyde-derived macroporous carbon foams prepared with aprotic ionic liquid as liquid template
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  • Journal title : Carbon letters
  • Volume 13, Issue 2,  2012, pp.94-98
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2012.13.2.094
 Title & Authors
Phenol/formaldehyde-derived macroporous carbon foams prepared with aprotic ionic liquid as liquid template
Byun, Hae-Bong; Nam, Gi-Min; Rhym, Young-Mok; Shim, Sang-Eun;
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Herein, macroporous carbon foams were successfully prepared with phenol and formaldehyde as carbon precursors and an ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate (), as a pore generator by employing a polymerization-induced phase separation method. During the polycondensation reaction of phenol and formaldehyde, forms a clustered structure which in turn yields macropores upon carbonization. The morphology, pore structure, electrical conductivity of carbon foams were investigated in terms of the amount of the ionic liquid. The as-prepared macroporous carbon foams had around 100-150 -sized pores. More importantly, the electrical conductivity of the carbon foams was linearly improved by the addition of . To the best of the author`s knowledge, this is the first result reporting the possibility of the use of an ionic liquid to prepare porous carbon materials.
carbon foam;phenolic resin;ionic liquid;pore;electrical conductivity;
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