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Preparation of Conductive Carbon Films from Poly(vinyl alcohol) by Chemical Pre-Treatment and Pyrolysis

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In this study, conductive carbon thin films were prepared from poly(vinyl alcohol) (PVA) thin films through iodine pretreatment and pyrolysis. PVA thin films spin-coated on a substrate were iodinated with an aqueous NH4I/I2 solution. The iodinated PVA thin films were stabilized in air and then pyrolyzed under inert atmosphere to form carbon thin films. As a result, iodine pretreatment was found to enhance the thermal stability of the PVA. Carbon films with imperfect graphitic structures were formed by pyrolysis of the stabilized PVA films containing polyene structures. The carbon films showed a high electrical conductivity of 2.00×102 S/cm and a greatly low surface roughness of below 1.0 nm.
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Keywords: Carbon Film; Iodination; Poly(vinyl alcohol); Pyrolysis; Stabilization

Document Type: Research Article

Affiliations: 1: Department of Polymer Science and Engineering, Chungnam National University, Daejeon 305-764, Korea 2: Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 305-764, Korea 3: Research Division for Industry and Environment, Korea Atomic Energy Research Institute, Jeongeup-si, Jeollabuk-do 580-185, Korea 4: Department of Chemistry, Sogang University, Mapo-gu, Seoul 121-742, 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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