Transparent conductive Ga-doped ZnO films and their application in dye-sensitized solar cells

Ji Hong Kim, Kyung Ju Lee, Ji Hyung Roh, Sang Woo Song, Jae Ho Park, In Hyung Yer, Byung-Moo Moon

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper presents transparent conductive Ga-doped ZnO (GZO) films and their application in dye-sensitized solar cells (DSSCs). The GZO thin films were deposited on glass substrates by using pulsed laser deposition (PLD). In order to find the optimal condition, we carried out the deposition at various oxygen pressures and temperatures. The structural, electrical, and optical properties of the GZO thin films were investigated. The c-axis-oriented polycrystalline GZO films were obtained under all conditions. The GZO films deposited under the optimal conditions showed a low sheet resistance of 6. 87 Ω/sq and a high optical transmittance of ~85%, which are suitable values for DSSCs. The DSSCs were successfully fabricated based on the prepared GZO films with a thin TiO 2 blocking layer. The fabricated DSSCs with the GZO transparent electrodes showed a conversion efficiency of 3. 96%.

Original languageEnglish
Pages (from-to)2025-2028
Number of pages4
JournalJournal of the Korean Physical Society
Volume60
Issue number12
DOIs
Publication statusPublished - 2012 Jun 1

Fingerprint

solar cells
dyes
thin films
pulsed laser deposition
transmittance
electrical properties
optical properties
electrodes
glass
oxygen
temperature

Keywords

  • Dye-sensitized solar cells
  • Ga-doped ZnO
  • Transparent conductive oxide

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Transparent conductive Ga-doped ZnO films and their application in dye-sensitized solar cells. / Kim, Ji Hong; Lee, Kyung Ju; Roh, Ji Hyung; Song, Sang Woo; Park, Jae Ho; Yer, In Hyung; Moon, Byung-Moo.

In: Journal of the Korean Physical Society, Vol. 60, No. 12, 01.06.2012, p. 2025-2028.

Research output: Contribution to journalArticle

Kim, Ji Hong ; Lee, Kyung Ju ; Roh, Ji Hyung ; Song, Sang Woo ; Park, Jae Ho ; Yer, In Hyung ; Moon, Byung-Moo. / Transparent conductive Ga-doped ZnO films and their application in dye-sensitized solar cells. In: Journal of the Korean Physical Society. 2012 ; Vol. 60, No. 12. pp. 2025-2028.
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