High-performance flexible perovskite solar cells exploiting Zn2SnO4 prepared in solution below 100 °C

Seong Sik Shin, Woon Seok Yang, Jun Hong Noh, Jae Ho Suk, Nam Joong Jeon, Jong Hoon Park, Ju Seong Kim, Won Mo Seong, Sang Il Seok

Research output: Contribution to journalArticlepeer-review

307 Citations (Scopus)

Abstract

Fabricating inorganic-organic hybrid perovskite solar cells (PSCs) on plastic substrates broadens their scope for implementation in real systems by imparting portability, conformability and allowing high-throughput production, which is necessary for lowering costs. Here we report a new route to prepare highly dispersed Zn2SnO4 (ZSO) nanoparticles at low-temperature (<100 °C) for the development of high-performance flexible PSCs. The introduction of the ZSO film significantly improves transmittance of flexible polyethylene naphthalate/indium-doped tin oxide (PEN/ITO)-coated substrate from ∼75 to ∼90% over the entire range of wavelengths. The best performing flexible PSC, based on the ZSO and CH 3 NH 3 PbI 3 layer, exhibits steady-state power conversion efficiency (PCE) of 14.85% under AM 1.5G 100 mW·cm-2 illumination. This renders ZSO a promising candidate as electron-conducting electrode for the highly efficient flexible PSC applications.

Original languageEnglish
Article number7410
JournalNature communications
Volume6
DOIs
Publication statusPublished - 2015 Jun 22
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

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