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PTCDA Films Deposited by Ionized Beam Method

  • Hiroaki Usui (a1), Kiyoshi Kashihara (a1), Kuniaki Tanaka (a1) and Seizo Miyata (a1)

Abstract

Thin films of 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) were deposited by an ionized beam method. The molecular orientation and chemical structure of the films were studied in connection with ionization and ion acceleration conditions. At a low ionization condition, the molecules are oriented in parallel with the substrate, and the crystallinity was improved by an appropriate ion acceleration. At higher ionization conditions, on the other hand, ion acceleration resulted in a loss of crystallinity. Deposited molecules undergo chemical change in such a condition, leading to dissociation of dianhydride groups.

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PTCDA Films Deposited by Ionized Beam Method

  • Hiroaki Usui (a1), Kiyoshi Kashihara (a1), Kuniaki Tanaka (a1) and Seizo Miyata (a1)

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