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Electronic Structures of Dyes and Phthalocyanines Estimated with “Photo-Electron Spectroscopy in Air (PESA)”

Published online by Cambridge University Press:  01 February 2011

Yoshiyuki Nakajima ,
D. Yamashita ,
A. Ishizaki ,
B. Pellissier  and
M. Uda
Yoshiyuki Nakajima
Affiliation:
y-nakajima@rikenkeiki.co.jp, Riken Keiki Co. Ltd, Research Department, Itabashi-ku Azusawa 2-7-6, Tokyo, 174-8744, Japan
D. Yamashita
Affiliation:
d-yamashita@rikenkeiki.co.jp, Riken Keiki Co. Ltd., Tokyo, 174-8744, Japan
A. Ishizaki
Affiliation:
a-ishizaki@rikenkeiki.co.jp, Riken Keiki Co. Ltd., Tokyo, 174-8744, Japan
B. Pellissier
Affiliation:
bob@rkiinstruments.com, RKI Instruments Inc., Union City, CA, 94587, United States
M. Uda
Affiliation:
muda@waseda.jp, Waseda University, Tokyo, 169-8050, Japan
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Abstract

The near-edge electronic structures of several dyes and phtalocyanines were investigated using Photo-Electron Spectroscopy in Air (PESA). The ionization potentials (IPs) of N3, N719, Z907, D102, D149 and D205 were derived from observed photoemission threshold energies to be 5.88, 5.47, 5.44, 5.53, 5.44 and 5.49eV, respectively. Density of states (DOS) of Fe-, Ni-, Cu- and H2-phthalocyanines were deduced from differentiation of observed photoemission yields with incident photon energies. DOS thus obtained were well compared with calculated ones estimated with use of the DV-Xα molecular orbital calculation method.

Keywords

electronic structureorganicphotovoltaic

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1029: Symposium F – Interfaces in Organic and Molecular Electronics III , 2007 , 1029-F04-02
Copyright
Copyright © Materials Research Society 2008

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