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61.2: Invited Paper: Structure and Electronic Structure of Organic Interfaces
Author(s) -
Seki Kazuhiko,
Nishi Toshio,
Morikawa Yoshitada,
Ishii Hisao,
Kanai Kaname
Publication year - 2005
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.2036355
Subject(s) - dopant , doping , impurity , electronic structure , materials science , phthalocyanine , field effect transistor , organic semiconductor , nanotechnology , chemical physics , chemistry , transistor , optoelectronics , computational chemistry , organic chemistry , electrical engineering , engineering , voltage
In many organic electronic devices, interfaces formed by organic layers can play crucial roles. We have been studying various organic interfaces for clarifying the molecular arrangement and electronic structure. In this talk, we will report a few topics from our recent efforts for understanding these interfaces, namely (1) Theoretical calculations on interfaces formed by depositing long‐chain alkanes on metals, and (2) Study of the effect of various types of doping for a variety of dopants — residual impurity, atmospheric gases, and metallic and organic intentional dopants. In particular, detailed and quantitative information about the effect of oxygen from the viewpoint of electronic structure was obtained for titanyl phthalocyanine (TiOPc), and the results corresponded well with the recent report of atmospheric effect on organic field effect transistor.