Characterization of 2,9-Dihexylpentacene Films on Graphite (0001) by Metastable Atom Electron Spectroscopy and Ultraviolet Photoelectron Spectroscopy

Using metastable atom electron spectroscopy and ultra-violet photoelectron spectroscopy, the electronic structure and the molecular orientation of 2,9-dihexylpentacene are studied for two kinds of films prepared by vapor deposition onto a graphite (0001) substrate. It is found that the molecules lie...

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Bibliographic Details
Published in:Chemistry letters 2015, Vol.44 (1), p.73-75
Main Authors: Yamazaki, Shunya, Okuda, Shohei, Ozaki, Hiroyuki, Endo, Osamu, Ogino, Kenji, Okamoto, Kazuo
Format: Article
Language:English
Subjects:
Electron spectroscopy
Flats
Graphite
Metastable atoms
Orientation
Photoelectron spectroscopy
Stands
Vapor deposition
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Summary:Using metastable atom electron spectroscopy and ultra-violet photoelectron spectroscopy, the electronic structure and the molecular orientation of 2,9-dihexylpentacene are studied for two kinds of films prepared by vapor deposition onto a graphite (0001) substrate. It is found that the molecules lie flat in a monolayer of 0.4 nm thickness but stand up in a 16-nm film with the methyl ends of the chains exposed outside.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.140911