Al-doped ZnO film as a transparent conductive substrate in indoline-sensitized nanoporous ZnO solar cell

B. Onwona-Agyeman, M. Nakao, G. R.A. Kumara, T. Kitaoka

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

We have deposited porous ZnO films on aluminum-doped ZnO (ZnO/AZO) and fluorine-doped tin oxide (ZnO/FTO) transparent substrates, and annealed both in air at 500°C. X-ray diffraction measurements of the nanoporous ZnO films after heat treatment showed that, ZnO/AZO film exhibited a dominant (002) diffraction while the ZnO/FTO showed mixed diffraction peaks with the (100) and (101) being dominant. Dye-sensitized solar cells (DSC) based on the sensitization of the porous ZnO films on AZO and FTO substrates with an indoline dye were constructed. The photoaction spectrum, which is a measure of the degree of sunlight harvesting, was broad and higher in the ZnO/AZO DSC than that of the ZnO/FTO DSC. Conversion efficiency of 7.3% was obtained for the ZnO/AZO DSC while 4.5% was recorded for the ZnO/FTO. The superior photovoltaic performance of the ZnO/AZO DSC is attributed to better ZnO film orientation after thermal treatment and the higher sunlight harvesting.

本文言語英語
ホスト出版物のタイトルOxide Semiconductors and Thin Films
ページ345-350
ページ数6
DOI
出版ステータス出版済み - 2013
イベント2012 MRS Fall Meeting - Boston, MA, 米国
継続期間: 11 25 201211 30 2012

出版物シリーズ

名前Materials Research Society Symposium Proceedings
1494
ISSN(印刷版)0272-9172

その他

その他2012 MRS Fall Meeting
国/地域米国
CityBoston, MA
Period11/25/1211/30/12

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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