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Temperature Dependence of Silicon-based Thin Film Solar Cells on Their Intrinsic Absorber

Published online by Cambridge University Press:  01 February 2011

Kobsak Sriprapha ,
Ihsanul Afdi Yunaz ,
Shuichi Hiza ,
Kun Ho Ahn ,
Seung Yeop Myong ,
Akira Yamada  and
Makoto Konagai
Kobsak Sriprapha
Affiliation:
[email protected], Tokyo Institute of Technology, Department of Physical Electronics, 2-12-1, S9-9, O-okayama, Meguro-ku, Tokyo, 152-8552, Japan, +81357342662, +81357342897
Ihsanul Afdi Yunaz
Affiliation:
[email protected], Tokyo Institute of Technology, Department of Physical Electronics, 2-12-1, S9-9, O-okayama, Meguro-ku,, Tokyo, 152-8552, Japan
Shuichi Hiza
Affiliation:
[email protected], Tokyo Institute of Technology, Department of Physical Electronics, 2-12-1, S9-9, O-okayama, Meguro-ku,, Tokyo, 152-8552, Japan
Kun Ho Ahn
Affiliation:
[email protected], Tokyo Institute of Technology, Department of Physical Electronics, 2-12-1, S9-9, O-okayama, Meguro-ku,, Tokyo, 152-8552, Japan
Seung Yeop Myong
Affiliation:
[email protected], Tokyo Institute of Technology, Department of Physical Electronics, 2-12-1, S9-9, O-okayama, Meguro-ku,, Tokyo, 152-8552, Japan
Akira Yamada
Affiliation:
[email protected], Tokyo Institute of Technology, Quantum Nanoelectronics Research Center, 2-12-1, S9-9, O-okayama, Meguro-ku,, Tokyo, 152-8552, Japan
Makoto Konagai
Affiliation:
[email protected], Tokyo Institute of Technology, Department of Physical Electronics, 2-12-1, S9-9, O-okayama, Meguro-ku,, Tokyo, 152-8552, Japan
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Abstract

The temperature dependence of Si-based thin-film single junction solar cells on the phase of the intrinsic absorber is investigated in order to find the optimal absorber at high operating temperatures. For comparison, hydrogenated amorphous, protocrystalline, and microcrystalline silicon solar cells are fabricated by plasma-enhanced chemical vapor deposition and hot-wired CVD techniques. Photo J-V characteristics are measured using a solar simulator at the ambient temperature range of 25-85°C. It is found that the cells with a higher open-circuit voltage usually show lower temperature-dependent behaviors; the protocrystalline silicon solar cells provide the lowest temperature coefficient of efficiency, while the microcrystalline silicon solar cells are highly sensitive to the temperature. Therefore, protocrystalline silicon solar cells are promising for use in high temperature regions.

Keywords

amorphousthin filmphotovoltaic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 989: Symposium A – Amorphous and Polycrystalline Thin-Film Silicon Science and Technology-2007 , 2007 , 0989-A24-02
Copyright
Copyright © Materials Research Society 2007

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