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Enhancement of Photoelectric Effect in Organic Dye Thin Film Cells by Surface Plasmon Excitation

Published online by Cambridge University Press:  01 February 2011

Keizo Kato ,
Masaru Hirano ,
Kazunari Shinbo ,
Futao Kaneko  and
Takashi Wakamatsu
Keizo Kato
Affiliation:
Dept. of Electrical and Electronic Engineering, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN Center for Transdisciplinary Research, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN
Masaru Hirano
Affiliation:
Graduate School of Science and Technology, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN
Kazunari Shinbo
Affiliation:
Dept. of Electrical and Electronic Engineering, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN Center for Transdisciplinary Research, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN
Futao Kaneko
Affiliation:
Dept. of Electrical and Electronic Engineering, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN Center for Transdisciplinary Research, Niigata University, Ikarashi 2–8050, Niigata 950–2181, JAPAN
Takashi Wakamatsu
Affiliation:
Dept. of Electrical Engineering, Ibaraki National College of Technology, 866 Nakane, Hitachinaka 312–8508, JAPAN
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Abstract

Photoelectric properties have been investigated for the organic dye thin film cells utilizing surface plasmon (SP) excitation. The cells fabricated in this work had a prism/Al thin film/copper phtalocyanine (CuPc) thin film/Ag thin film structure, which was the Kretschmann configuration in the attenuated total reflection (ATR) method. Since the CuPc thin film exhibits p-type conduction, the Schottky and Ohmic contacts can be obtained at the interfaces between the CuPc and Al thin films and between the CuPc and Ag thin films, respectively, and the cells used in this work show photoelectric properties. The ATR and short-circuit photocurrent properties have been simultaneously measured as a function of the incident angles of the laser beams. The experimental and calculated results of the ATR and short-circuit photocurrent properties and the optical absorptions of the organic dye layers were discussed. It was found that the photoelectric effect in the organic dye thin film cells the Kretschmann configuration in the ATR method was enhanced by the SP excitation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 796: Symposium V – Critical Interfacial Issues in Thin Film Optoelectronic and Energy Conversion Devices , 2003 , V5.8
Copyright
Copyright © Materials Research Society 2004

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References

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