Efficient Perovskite Solar Cells Prepared by Hot Air Blowing to Ultrasonic Spraying in Ambient Air

ACS Applied Materials & Interfaces
Jian SuJianjun Zhang

Abstract

Substrate heating is the most common method for controlling crystallization during spray coating. However, due to poor controllability during substrate heating, the sprayed films have variable thicknesses and rich pores, which limit the efficiency of the device. Here, hot air blowing was applied to spray coating to promote the crystallization of perovskite films under ambient conditions. Upon employing a hot air blowing method that stimulated uniformly distributed nuclei growth, the pinhole-free and thickness-controllable perovskite film was prepared. This enabled more reproducible high-quality perovskite films to achieve a power conversion efficiency of 13.5% and obtain a stabilized power output of >12% in ambient conditions.

References

Apr 16, 2009·Journal of the American Chemical Society·Akihiro KojimaTsutomu Miyasaka
Dec 11, 2014·Chemical Communications : Chem Comm·Xue-Ping CuiYan-Lin Song
Jan 13, 2015·Advanced Materials·Kyeongil HwangDoojin Vak
May 1, 2014·The Journal of Physical Chemistry Letters·Henry J SnaithWei Zhang
Aug 13, 2017·Scientific Reports·James E BishopDavid G Lidzey

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Citations

Apr 22, 2020·Scientific Reports·James E BishopDavid G Lidzey
Apr 4, 2020·ACS Applied Materials & Interfaces·Nikolai A BelichAlexey B Tarasov
Sep 22, 2020·ACS Applied Energy Materials·Anuja VijayanGerrit Boschloo
Sep 23, 2020·ACS Applied Materials & Interfaces·James Edward BishopDavid G Lidzey

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