Cold Antisolvent Bathing Derived Highly Efficient Large-Area Perovskite Solar Cells

Gyumin Jang, Hyeok Chan Kwon, Sunihl Ma, Seong Cheol Yun, Hyunha Yang, Joo Ho Moon

Research output: Contribution to journalArticle

Abstract

Scaling large-area solar cells is in high demand for the commercialization of perovskite solar cells (PSCs) with a high power-conversion efficiency (PCE). However, few roll-to-roll-compatible deposition methods for the formation of highly oriented uniform perovskite films are reported. Herein, a facile cold antisolvent bathing approach compatible with large-area fabrication is introduced. The wet precursor films are submerged in a cold antisolvent bath at 0 °C, and the retarded nucleation and growth kinetics allow highly oriented perovskite to be grown along the [110] and [220] directions, perpendicular to the substrate. The high degree of the preferred crystal orientation benefits the effective charge extraction and reduces the amount of inter- and intra-grain defects inside the perovskite films, improving the PCE from 16.48% (ambient-bathed solar cell) to 18.50% (cold-bathed counterpart). The cold antisolvent bathing method is employed for the fabrication of large-area (8 × 10 cm2) PSCs with uniform photovoltaic device parameters, thereby verifying the scale-up capability of the method.

Original languageEnglish
Article number1901719
JournalAdvanced Energy Materials
DOIs
Publication statusAccepted/In press - 2019 Jan 1

Fingerprint

Perovskite
Conversion efficiency
Solar cells
Fabrication
Growth kinetics
Crystal orientation
Nucleation
Defects
Substrates
Perovskite solar cells
perovskite
Direction compound

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Jang, Gyumin ; Kwon, Hyeok Chan ; Ma, Sunihl ; Yun, Seong Cheol ; Yang, Hyunha ; Moon, Joo Ho. / Cold Antisolvent Bathing Derived Highly Efficient Large-Area Perovskite Solar Cells. In: Advanced Energy Materials. 2019.
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Cold Antisolvent Bathing Derived Highly Efficient Large-Area Perovskite Solar Cells. / Jang, Gyumin; Kwon, Hyeok Chan; Ma, Sunihl; Yun, Seong Cheol; Yang, Hyunha; Moon, Joo Ho.

In: Advanced Energy Materials, 01.01.2019.

Research output: Contribution to journalArticle

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