Hexagonal array micro-convex patterned substrate for improving diffused transmittance in perovskite solar cells

Kyoung Suk Oh, Minseop Byun, Minjin Kim, Yang Doo Kim, Kwan Kim, Daihong Huh, Dong Suk Kim, Heon Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In the past decade, the fastest development in solar cell research has occurred for perovskite solar cells. Owing to the favorable properties of perovskite materials, perovskite solar cells exhibit excellent power conversion efficiencies and there appears great potential for future development. In this paper, we report the fabrication of a substrate with excellent optical properties by incorporating hexagonal array micro-convex (HAMC) nanostructures in it before integration with the electrode (indium tin oxide and zinc oxide) and the halide for use in organic-inorganic perovskite solar cells. This was fabricated using nanoimprint lithography which showed excellent throughput and involved simple processing methods. The HAMC nanostructured substrate showed strong light scattering as compared to that of the conventional substrate. This resulted in the increase of current density of the fabricated solar cell from 19.45 mA/cm2 (un-patterned substrate) to 20.92 mA/cm2 (nanostructured substrate) with accompanying increase in the external quantum efficiency and a satisfactory performance by the perovskite solar cell.

Original languageEnglish
JournalThin Solid Films
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

transmittance
solar cells
Substrates
Solar cells
Zinc Oxide
Nanoimprint lithography
Zinc oxide
Tin oxides
Quantum efficiency
Light scattering
Perovskite
Indium
Conversion efficiency
Nanostructures
Current density
zinc oxides
indium oxides
Optical properties
tin oxides
halides

Keywords

  • Diffused transmittance
  • Hexagonal array pattern
  • Indium tin oxide
  • Micro-convex nanostructure
  • Nanoimprint lithography
  • Perovskite solar cells
  • Zinc oxide

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Hexagonal array micro-convex patterned substrate for improving diffused transmittance in perovskite solar cells. / Oh, Kyoung Suk; Byun, Minseop; Kim, Minjin; Kim, Yang Doo; Kim, Kwan; Huh, Daihong; Kim, Dong Suk; Lee, Heon.

In: Thin Solid Films, 01.01.2018.

Research output: Contribution to journalArticle

Oh, Kyoung Suk ; Byun, Minseop ; Kim, Minjin ; Kim, Yang Doo ; Kim, Kwan ; Huh, Daihong ; Kim, Dong Suk ; Lee, Heon. / Hexagonal array micro-convex patterned substrate for improving diffused transmittance in perovskite solar cells. In: Thin Solid Films. 2018.
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AU - Kim, Yang Doo

AU - Kim, Kwan

AU - Huh, Daihong

AU - Kim, Dong Suk

AU - Lee, Heon

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KW - Zinc oxide

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