Improved conversion efficiency of amorphous Si solar cells using a mesoporous ZnO pattern

Bit Na Go, Yang Doo Kim, Kyoung Suk Oh, Chaehyun Kim, Hak Jong Choi, Heon Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

To provide a front transparent electrode for use in highly efficient hydrogenated amorphous silicon (a-Si:H) thin-film solar cells, porous flat layer and micro-patterns of zinc oxide (ZnO) nanoparticle (NP) layers were prepared through ultraviolet nanoimprint lithography (UV-NIL) and deposited on Al-doped ZnO (AZO) layers. Through this, it was found that a porous micro-pattern of ZnO NPs dispersed in resin can optimize the light-trapping pattern, with the efficiency of solar cells based on patterned or flat mesoporous ZnO layers increased by 27% and 12%, respectively.

Original languageEnglish
JournalNanoscale Research Letters
Volume9
Issue number1
DOIs
Publication statusPublished - 2014 Jan 1

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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