Electronic States of Highly Ordered DNTT and Picene Molecular Layer
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- HASEGAWA Yuri
- Graduate School of Pure and Applied Sciences, University of Tsukuba
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- YAMADA Yoichi
- Graduate School of Pure and Applied Sciences, University of Tsukuba
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- SASAKI Masahiro
- Graduate School of Pure and Applied Sciences, University of Tsukuba Tsukuba Research Center for Energy Materials Science (TREMS), University of Tsukuba
Bibliographic Information
- Other Title
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- 高配向ジナフトチエノチオフェン(DNTT)およびピセン(picene)分子膜の電子状態
- コウハイコウ ジナフトチエノチオフェン(DNTT)オヨビ ピセン(picene)ブンシマク ノ デンシ ジョウタイ
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Abstract
<p>Molecular arrangements and electronic states of well-ordered Dinaphtho[2,3-b:2′3′-f]Thieno[3,2-b]-Thiophene (DNTT) and picene thin film on single crystal were measured by means of scanning tunneling microscope (STM) and angle-resolved photoemission spectroscopy, respectively. DNTT and picene form single crystalline-like molecular arrangement on inert Au(111) substrate. Splitting of HOMO energy due to overlapping with adjacent molecules was suggested by ultraviolet photoemission spectroscopy (UPS) and density functional theory (DFT) calculation. On the other hand, one-dimensional ordering of those molecule was observed on anisotropic Ag(110) substrate. However, the HOMO band dispersion was found to be 200 meV at maximum, showing that the overlapping of HOMO was smaller in such arrangement comparing with that in their single crystal.</p>
Journal
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- Vacuum and Surface Science
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Vacuum and Surface Science 61 (6), 366-371, 2018-06-10
The Japan Society of Vacuum and Surface Science
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Details 詳細情報について
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- CRID
- 1390282763014304640
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- NII Article ID
- 130007395735
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- NII Book ID
- AA12808657
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- ISSN
- 24335843
- 24335835
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- NDL BIB ID
- 029110475
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed