Decomposition of Pentacene Molecules by Heated Tungsten Mesh
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概要
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The mechanism of pentacene molecule decomposition by a heated tungsten (W) mesh in H2 atmosphere is investigated for the development of an organic-thin-film deposition method. In this method, pentacene molecules come in contact with a heated W mesh before reaching the substrate in H2 atmosphere. The decomposition reaction occurs notably above 1300 °C. The decomposed precursors were identified to be dihydropentacene, p-distrylbenzene, and 2,2'-dimethyl-1,1'-binaphthalene. On the other hand, the pentacene molecules did not decompose at 1400 °C in He atmosphere. It is found that H2 affects the decomposition reaction of pentacene molecules. These decomposed precursors are expected as a source of large graphene sheets and graphene nanoribbons.
- 2012-11-25
著者
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HEYA Akira
Department of Materials Science & Chemistry, University of Hyogo
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Matsuo Naoto
Department of Electrical & Electronic Engineering, Yamaguchi University
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Heya Akira
Department of Materials Science and Chemistry, University of Hyogo, Himeji, Hyogo 671-2280, Japan
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