Efficiencies of CIGS solar cells using transparent conducting Al-doped ZnO window layers as a function of thickness

Jae Sung Hur, Jung Bin Song, Jihye Kim, Dongjin Byun, Chang Sik Son, Jae Ho Yun, Kyung Hoon Yoon

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In solar cells, particularly Cu(In,Ga)Se2 (CIGS), Al-doped ZnO thin films are used as the top or the bottom transparent conducting window layer. This study examined the efficiency of CIGS solar cells as a function of the Al-doped ZnO film thickness. A CIGS solar cell with an Al/ZnO:Al/i-ZnO/CdS/ CIGS/Mo structure was fabricated. A 50-nm-thick intrinsic ZnO thin film was deposited by RF magnetron sputtering. The fill-factor and the conversion efficiency of a CIGS solar cell with a 310-nm-thick AZO thin film were calculated to be 0.67 and 13.54 %, respectively, from the results of the J-V measurements.

Original languageEnglish
Pages (from-to)437-441
Number of pages5
JournalJournal of the Korean Physical Society
Volume53
Issue number1
DOIs
Publication statusPublished - 2008 Jul

Keywords

  • Al-doped ZnO
  • CIGS solar cell
  • Conversion efficiency
  • Transparent conductive oxide (TCO)

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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