Use of diethylselenide as a less-hazardous source for preparation of CuInSe2 photo-absorbers by selenization of metal precursors

Shigefusa Chichibu, Mutsumi Sugiyama, Masahiro Ohbasami, Akinori Hayakawa, Tsutomu Mizutani, Hisayuki Nakanishi, Takayuki Negami, Takahiro Wada

研究成果: Article査読

39 被引用数 (Scopus)

抄録

Diethylselenide [(C2H5)2Se: DESe] was shown to be a promising less-hazardous alternative source for the preparation of CuInSe2 films for solar cell applications by the selenization of Cu-In and Cu-In-O precursors. Approximately 1.5 μm thick, single-phase, polycrystalline CuInSe2 films having grain size of approximately 1-2 μm were formed on Mo-coated soda-lime glass substrates at temperatures between 450° and 550°C. Slightly In-rich films exhibited a distinct contribution by excitonic absorption in the absorption spectra at 90 K. Photoluminescence spectra at low temperatures were dominated by characteristic bands at 0.97 and 0.90 eV, showing that the films are a suitable material for the photo-absorbing layer of CuInSe2-based solar cells.

本文言語English
ページ(範囲)404-409
ページ数6
ジャーナルJournal of Crystal Growth
243
3-4
DOI
出版ステータスPublished - 2002 9月 1
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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