Issue 11, 2015

High efficiency flexible perovskite solar cells using superior low temperature TiO2

Abstract

A process is developed to prepare a very dense TiO2 layer using magnetron sputtering at room temperature. It is found that the film is amorphous in nature, offering faster electron transport, reduced transfer resistance and better performance for electron extraction from the perovskite absorber layer. It is these superior electronic properties that makes it possible for us to achieve 15.07% efficiency flexible perovskite solar cells, on a respectably large area >10 mm2. It is the highest efficiency reported to date for the flexible perovskite devices.

Graphical abstract: High efficiency flexible perovskite solar cells using superior low temperature TiO2

Supplementary files

Article information

Article type
Communication
Submitted
13 Jul 2015
Accepted
02 Oct 2015
First published
05 Oct 2015

Energy Environ. Sci., 2015,8, 3208-3214

Author version available

High efficiency flexible perovskite solar cells using superior low temperature TiO2

D. Yang, R. Yang, J. Zhang, Z. Yang, S. (Frank) Liu and C. Li, Energy Environ. Sci., 2015, 8, 3208 DOI: 10.1039/C5EE02155C

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