Structures of Self-Assembled Monolayers versus Vacuum Deposited Films of Terthiophene
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概要
- 論文の詳細を見る
Using X-ray diffraction and Fourier-transform infrared (FT-IR) spectroscopy, we elucidated the molecular orientation in self-assembled monolayers (SAM) and vacuum deposited films of terthiophene. Terthiophene in the SAM aligns parallel to the gold substrate. On the other hand, in the vacuum deposited films, the long axis of terthiophene aligns along the normal to the surface. Although our results contradict the quantum calculations, which predict that thiophene would not interact with gold significantly, we experimentally demonstrated the interaction between terthiophene and gold. A theoretical fitting of FT-IR signals, the out-of-plane -CH and -CH=CH- vibration at 680cm^<-1>, revealed the SAM formation of terthiophene to be a Langmuir type of adsorption.
- 社団法人応用物理学会の論文
- 1999-05-15
著者
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Matsuura Toshihiko
Department Of Physics Hokkaido University Of Education
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Matsuura Toshihiko
Department Of Applied Physics Graduate School Of Engineering Hokkaido University
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Takamura Takumi
Hokkaido Industrial Technology Center
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Shimoyama Yuhei
Department Of Physics Faculty Of Education Hokkaido University Of Education
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Shimoyama Yuhei
Department of Materials Science and Engineering, Muroran Institute of Technology, Muroran, Hokkaido 050-8585, Japan
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