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Preparation of Thin Porous Carbon Membranes from Polyacrylonitrile by Phase Separation and Heat Treatment

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Thin porous carbon membranes were fabricated by carbonization of porous polyacrylonitrile (PAN) membranes prepared via crystallization-induced phase separation using dimethyl sulfone (DMSO2). PAN/DMSO2 thin films spin-coated on a substrate were baked at 120 °C for 1 h to remove the remaining solvent and DMSO2. The prepared porous PAN membranes were heat-treated in two-steps: stabilization and carbonization. The carbonized membranes were found to have tubularand sheet-like pores. Raman and XRD results revealed that graphitic structures were formed by carbonization of the stabilized PAN membranes. The porous carbon membranes showed a high electrical conductivity of 2.4 × 102 S/cm.
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Keywords: Dimethyl Sulfone; Polyacrylonitrile; Porous Carbon Membrane

Document Type: Research Article

Affiliations: 1: Department of Polymer Science and Engineering, Chungnam National University, Yuseong-gu, Daejeon 305-764, Korea 2: Department of Chemistry, Sogang University, Mapo-gu, Seoul 121-742, Korea 3: Research Division for Industry and Environment, Korea Atomic Energy Research Institute, Jeongeup-si, Jeollabuk-do 580-185, Korea

Publication date: August 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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