Issue 30, 2015

Inverted planar NH2CH[double bond, length as m-dash]NH2PbI3 perovskite solar cells with 13.56% efficiency via low temperature processing

Abstract

In this work, NH2CH[double bond, length as m-dash]NH2PbI3 (FAPbI3) was employed for light harvesting in inverted planer perovskite solar cells for the first time. Except for the silver cathode, all layers were solution-processed under or below 140 °C. The effect of the annealing process on device performance was investigated. The FAPbI3 solar cells based on a slowed-down annealing shows superior performance compared to the CH3NH3PbI3 (MAPbI3)-based devices, especially for the short circuit current density. A power conversion efficiency of 13.56% was obtained with high short circuit current density of 21.48 mA cm−2. This work paves the way for low-temperature fabrication of efficient inverted planer structure FAPbI3 perovskite solar cells.

Graphical abstract: Inverted planar NH2CH [[double bond, length as m-dash]] NH2PbI3 perovskite solar cells with 13.56% efficiency via low temperature processing

Supplementary files

Article information

Article type
Paper
Submitted
11 May 2015
Accepted
10 Jun 2015
First published
12 Jun 2015

Phys. Chem. Chem. Phys., 2015,17, 19745-19750

Inverted planar NH2CH[double bond, length as m-dash]NH2PbI3 perovskite solar cells with 13.56% efficiency via low temperature processing

D. Yuan, A. Gorka, M. Xu, Z. Wang and L. Liao, Phys. Chem. Chem. Phys., 2015, 17, 19745 DOI: 10.1039/C5CP02705E

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