High-Temperature-Short-Time Annealing Process for High-Performance Large-Area Perovskite Solar Cells

Minjin Kim, Gi Hwan Kim, Kyoung Suk Oh, Yimhyun Jo, Hyun Yoon, Ka Hyun Kim, Heon Lee, Jin Young Kim, Dong Suk Kim

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Organic-inorganic hybrid metal halide perovskite solar cells (PSCs) are attracting tremendous research interest due to their high solar-to-electric power conversion efficiency with a high possibility of cost-effective fabrication and certified power conversion efficiency now exceeding 22%. Although many effective methods for their application have been developed over the past decade, their practical transition to large-size devices has been restricted by difficulties in achieving high performance. Here we report on the development of a simple and cost-effective production method with high-temperature and short-time annealing processing to obtain uniform, smooth, and large-size grain domains of perovskite films over large areas. With high-temperature short-time annealing at 400 °C for 4 s, the perovskite film with an average domain size of 1 μm was obtained, which resulted in fast solvent evaporation. Solar cells fabricated using this processing technique had a maximum power conversion efficiency exceeding 20% over a 0.1 cm2 active area and 18% over a 1 cm2 active area. We believe our approach will enable the realization of highly efficient large-area PCSs for practical development with a very simple and short-time procedure. This simple method should lead the field toward the fabrication of uniform large-scale perovskite films, which are necessary for the production of high-efficiency solar cells that may also be applicable to several other material systems for more widespread practical deployment.

Original languageEnglish
Pages (from-to)6057-6064
Number of pages8
JournalACS Nano
Volume11
Issue number6
DOIs
Publication statusPublished - 2017 Jun 27

Fingerprint

Perovskite
Conversion efficiency
solar cells
Annealing
annealing
Solar cells
Metal halides
Fabrication
Processing
costs
production engineering
Temperature
electric generators
fabrication
metal halides
Costs
Evaporation
grain size
evaporation
Perovskite solar cells

Keywords

  • high performance
  • high-temperature annealing process
  • large-area perovskite solar cells
  • planar structure

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Kim, M., Kim, G. H., Oh, K. S., Jo, Y., Yoon, H., Kim, K. H., ... Kim, D. S. (2017). High-Temperature-Short-Time Annealing Process for High-Performance Large-Area Perovskite Solar Cells. ACS Nano, 11(6), 6057-6064. https://doi.org/10.1021/acsnano.7b02015

High-Temperature-Short-Time Annealing Process for High-Performance Large-Area Perovskite Solar Cells. / Kim, Minjin; Kim, Gi Hwan; Oh, Kyoung Suk; Jo, Yimhyun; Yoon, Hyun; Kim, Ka Hyun; Lee, Heon; Kim, Jin Young; Kim, Dong Suk.

In: ACS Nano, Vol. 11, No. 6, 27.06.2017, p. 6057-6064.

Research output: Contribution to journalArticle

Kim, M, Kim, GH, Oh, KS, Jo, Y, Yoon, H, Kim, KH, Lee, H, Kim, JY & Kim, DS 2017, 'High-Temperature-Short-Time Annealing Process for High-Performance Large-Area Perovskite Solar Cells', ACS Nano, vol. 11, no. 6, pp. 6057-6064. https://doi.org/10.1021/acsnano.7b02015
Kim, Minjin ; Kim, Gi Hwan ; Oh, Kyoung Suk ; Jo, Yimhyun ; Yoon, Hyun ; Kim, Ka Hyun ; Lee, Heon ; Kim, Jin Young ; Kim, Dong Suk. / High-Temperature-Short-Time Annealing Process for High-Performance Large-Area Perovskite Solar Cells. In: ACS Nano. 2017 ; Vol. 11, No. 6. pp. 6057-6064.
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