Gas-pressure-assisted modified one-step deposition for hybrid perovskite solar cells

Mansik Jo, Seulki Cho, Jihun Jang, Sangwoo Song, Kyoung Sook Moon, Sang Mo Koo, Byung-Moo Moon

Research output: Contribution to journalArticle

Abstract

In recent years, hybrid organic-inorganic perovskites have attracted much attention as promising light absorbers. Herein, the gas pressure during spin coating for a perovskite layer is introduced as a parameter for perovskite solar cells. We adopt gas pressure engineering to improve the perovskite film morphology without overgrown crystals and pin-holes. As a result, compared to 8.95% efficiency of conventional two step fabrication, perovskite solar cells based on gas-pressure-assisted method showed similar efficiency of 8.48% but increased the current density from 16.28 mA/cm2 to 15.69 mA/cm2, even though it reduced processing time and steps. These findings will provide important guidelines for the fabrication of low-cost perovskite solar cells.

Original languageEnglish
Pages (from-to)1321-1325
Number of pages5
JournalJournal of Nanoelectronics and Optoelectronics
Volume12
Issue number12
DOIs
Publication statusPublished - 2017 Dec 1

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Keywords

  • Modified One-Step Deposition Method
  • Perovskite
  • Solar Cell
  • Solar Cell Fabrication
  • Two-Step Deposition Method

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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