Doping Effect of Tetrathianaphthacene Molecule in Organic Semiconductors on Their Interfacial Electronic Structures Studied by UV Photoemission Spectroscopy
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概要
- 論文の詳細を見る
The n-type doping ability of the electron-donating organic molecule tetrathianaphthacene (TTN) was examined by ultraviolet photoemission spectroscopy (UPS) for two kinds of matrix organic semiconductors, hexadecafluorophthalocyaninatozinc (F16ZnPc) and tris(8-hydroxyquinoline)aluminum (Alq3). The observed dependence of the UPS spectra suggests that TTN acts as a good donor in F16ZnPc, while the effect was not so significant for Alq3. These results and the consideration of the energy parameters of these molecules indicate that a close match between the highest occupied molecular orbital of the dopant and the lowest unoccupied molecular orbital of the matrix is important for efficient n-type doping.
- 2005-06-15
著者
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Nishi Toshio
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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SEKI Kazuhiko
Research Center for Materials Science, Nagoya University
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Ouchi Yukio
Department Of Chemistry Graduate School Of Science Nagoya University
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Kanai Kaname
Department Of Chemistry Graduate School Of Science Nagoya University
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Tanaka Senku
Research Center For Materials Science Nagoya University
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Kawabe Eiji
Department Of Chemistry Graduate School Of Science Nagoya University
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Iwahashi Takashi
Department Of Chemistry Graduate School Of Science Nagoya University
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Ouchi Yukio
Department of Chemistry, Graduate School of Science, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Nishi Toshio
Department of Chemistry, Graduate School of Science, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Seki Kazuhiko
Research Center for Materials Science, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Kawabe Eiji
Department of Chemistry, Graduate School of Science, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Iwahashi Takashi
Department of Chemistry, Graduate School of Science, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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