Bulk heterojunction formation between indium tin oxide nanorods and CuInS 2 nanoparticles for inorganic thin film solar cell applications

Jin Woo Cho, Se Jin Park, Jaehoon Kim, Woong Kim, Hoo Keun Park, Young Rag Do, Byoung Koun Min

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

In this study, we developed a novel inorganic thin film solar cell configuration in which bulk heterojunction was formed between indium tin oxide (ITO) nanorods and CuInS 2 (CIS). Specifically, ITO nanorods were first synthesized by the radio frequency magnetron sputtering deposition method followed by deposition of a dense TiO 2 layer and CdS buffer layer using atomic layer deposition and chemical bath deposition method, respectively. The spatial region between the nanorods was then filled with CIS nanoparticle ink, which was presynthesized using the colloidal synthetic method. We observed that complete gap filling was achieved to form bulk heterojunction between the inorganic phases. As a proof-of-concept, solar cell devices were fabricated by depositing an Au electrode on top of the CIS layer, which exhibited the best photovoltaic response with a V oc, J sc, FF, and efficiency of 0.287 V, 9.63 mA/cm 2, 0.364, and 1.01%, respectively.

Original languageEnglish
Pages (from-to)849-853
Number of pages5
JournalACS Applied Materials and Interfaces
Volume4
Issue number2
DOIs
Publication statusPublished - 2012 Feb 22

Fingerprint

Nanotubes
Tin oxides
Nanorods
Nanoparticles
Indium
Heterojunctions
Ink
Atomic layer deposition
Buffer layers
Radio
Baths
Magnetron sputtering
Solar cells
Buffers
Electrodes
Equipment and Supplies
Thin film solar cells
indium tin oxide

Keywords

  • bulk heterojunction
  • CuInS
  • indium tin oxide
  • ITO
  • nanorods
  • solar cells

ASJC Scopus subject areas

  • Materials Science(all)
  • Medicine(all)

Cite this

Bulk heterojunction formation between indium tin oxide nanorods and CuInS 2 nanoparticles for inorganic thin film solar cell applications. / Cho, Jin Woo; Park, Se Jin; Kim, Jaehoon; Kim, Woong; Park, Hoo Keun; Do, Young Rag; Min, Byoung Koun.

In: ACS Applied Materials and Interfaces, Vol. 4, No. 2, 22.02.2012, p. 849-853.

Research output: Contribution to journalArticle

Cho, Jin Woo ; Park, Se Jin ; Kim, Jaehoon ; Kim, Woong ; Park, Hoo Keun ; Do, Young Rag ; Min, Byoung Koun. / Bulk heterojunction formation between indium tin oxide nanorods and CuInS 2 nanoparticles for inorganic thin film solar cell applications. In: ACS Applied Materials and Interfaces. 2012 ; Vol. 4, No. 2. pp. 849-853.
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