Ga-doped zno transparent electrodes with Tio 2 blocking layer/nanoparticles for dye-sensitized solar cells

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

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Ga-doped ZnO [GZO] thin films were employed for the transparent electrodes in dyesensitized solar cells [DSSCs]. The electrical property of the deposited GZO films was as good as that of commercially used fluorine-doped tin oxide [FTO]. In order to protect the GZO and enhance the photovoltaic properties, a TiO 2 blocking layer was deposited on the GZO surface. Then, TiO 2 nanoparticles were coated on the blocking layer, and dye was attached for the electrodes of DSSCs. The fabricated DSSCs with the GZO/TiO 2 glasses showed an enhanced conversion efficiency of 4.02% compared to the devices with GZO glasses (3.36%). Furthermore, they showed even better characteristics than those using the FTO glasses, which can be attributed to the reduced charge recombination and series resistance.

Original languageEnglish
Article number11
Pages (from-to)1-12
Number of pages12
JournalNanoscale Research Letters
Volume7
DOIs
Publication statusPublished - 2012 Jan 25

Fingerprint

Solar cells
Fluorine
solar cells
dyes
Nanoparticles
Tin oxides
Glass
nanoparticles
tin oxides
Electrodes
fluorine
electrodes
glass
Conversion efficiency
Electric properties
Coloring Agents
Dyes
electrical properties
Thin films
thin films

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Ga-doped zno transparent electrodes with Tio 2 blocking layer/nanoparticles for dye-sensitized solar cells. / Kim, Ji Hong; Lee, Kyung Ju; Roh, Ji Hyung; Song, Sang Woo; Park, Jae Ho; Yer, Inhyung; Moon, Byung-Moo.

In: Nanoscale Research Letters, Vol. 7, 11, 25.01.2012, p. 1-12.

Research output: Contribution to journalArticle

Kim, Ji Hong ; Lee, Kyung Ju ; Roh, Ji Hyung ; Song, Sang Woo ; Park, Jae Ho ; Yer, Inhyung ; Moon, Byung-Moo. / Ga-doped zno transparent electrodes with Tio 2 blocking layer/nanoparticles for dye-sensitized solar cells. In: Nanoscale Research Letters. 2012 ; Vol. 7. pp. 1-12.
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AU - Kim, Ji Hong

AU - Lee, Kyung Ju

AU - Roh, Ji Hyung

AU - Song, Sang Woo

AU - Park, Jae Ho

AU - Yer, Inhyung

AU - Moon, Byung-Moo

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