Issue 7, 2021

Ambient processed (110) preferred MAPbI3 thin films for highly efficient perovskite solar cells

Abstract

Organic–inorganic hybrid perovskites have attracted intensive attention due to their exceptional optoelectronic properties. With a massive leap of efficiency from 3.8% to 25.2% in a decade, perovskite solar cells (PSCs) have been considered the most promising next-generation photovoltaic technology. Recently, the methylamine (MA)-gas-mediated approach has been widely studied for preparing precursor solutions to deposit large scale perovskite thin films for PSCs. In this article, high-quality MAPbI3 films were spin-coated using a MA-gas-mediated perovskite precursor. The deposited MAPbI3 films showed larger crystal grains, lower surface roughness, and a preferred (110) crystal orientation compared to the films deposited by the Lewis adduct method. Planar PSC devices fabricated using the MA-gas-mediated precursor showed a high efficiency of 19.28% and a higher average efficiency than the devices fabricated by the Lewis adduct method.

Graphical abstract: Ambient processed (110) preferred MAPbI3 thin films for highly efficient perovskite solar cells

Article information

Article type
Paper
Submitted
07 Dec 2020
Accepted
04 Feb 2021
First published
05 Feb 2021
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2021,3, 2056-2064

Ambient processed (110) preferred MAPbI3 thin films for highly efficient perovskite solar cells

R. Guo, B. Dahal, A. Thapa, Y. R. Poudel, Y. Liu and W. Li, Nanoscale Adv., 2021, 3, 2056 DOI: 10.1039/D0NA01029D

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