PHOTOCONDUCTIVITY EFFECTS OF NITROGENATED CARBONACEOUS FILMS GROWN ON VARIOUS TYPES OF SUBSTRATES BY SURFACE WAVE MICROWAVE PLASMA CVD

M. Rusop (), A. M. M. Omer, S. Adhikari, S. Adhikary, H. Uchida, T. Soga, T. Jimbo and M. Umeno
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M. Rusop: Department of Environmental Technology and Urban Planning, Nagoya Institute of Technology, Nagoya 466-8555, Showa-ku, Gokiso-cho, Japan
A. M. M. Omer: Department of Electronic Engineering, Chubu University, Kasugai 487-8501, Matsumoto-cho 1200, Japan
S. Adhikari: Department of Electronic Engineering, Chubu University, Kasugai 487-8501, Matsumoto-cho 1200, Japan
S. Adhikary: Department of Electronic Engineering, Chubu University, Kasugai 487-8501, Matsumoto-cho 1200, Japan
H. Uchida: Department of Electronic Engineering, Chubu University, Kasugai 487-8501, Matsumoto-cho 1200, Japan
T. Soga: Department of Environmental Technology and Urban Planning, Nagoya Institute of Technology, Nagoya 466-8555, Showa-ku, Gokiso-cho, Japan
T. Jimbo: Department of Environmental Technology and Urban Planning, Nagoya Institute of Technology, Nagoya 466-8555, Showa-ku, Gokiso-cho, Japan
M. Umeno: Department of Electronic Engineering, Chubu University, Kasugai 487-8501, Matsumoto-cho 1200, Japan

Surface Review and Letters (SRL), 2005, vol. 12, issue 01, 13-17

Abstract: The n-type conductivity nitrogen-doped amorphous carbon (n-C) films have been grown by surface wave microwave chemical vapor deposition (SWP-CVD) on plastic and quartz substrates. The bonding, electrical and photovoltaic properties have been studied. The Tauc plot of UV-Visible measurement have shown that n-C films deposited on plastic have smaller optical band gaps compared to the films grown on quartz substrate at the same parameters. Temperature dependence and photoresponse measurements also have shown that the properties of n-C thin films deposited on plastic have higher photoelectrical response. Our experimental results have shown that the flexible polytetrafluoroethene plastic substrate is a reliable candidate for future photovoltaic applications.

Keywords: Substrate; surface wave; microwave; CVD; amorphous carbon; photoconductivity (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0218625X05006706

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