Journal
JOURNAL OF POWER SOURCES
Volume 297, Issue -, Pages 504-510Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2015.08.010
Keywords
Stability; Perovskite solar cells; Ambient atmosphere; Vapor-assisted solution processing
Funding
- European Union [316494]
- EPSRC [EP/G03768X/1, EP/H026304/1]
- Engineering and Physical Sciences Research Council [1094110, EP/H026304/1, 1499583] Funding Source: researchfish
- EPSRC [EP/H026304/1] Funding Source: UKRI
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Vacuum-vapor assisted solution processing has been investigated as a simple and low cost method for preparing perovskite solar cells without a glove box. The devices were prepared in ambient air without using a high vacuum or an inert atmosphere. A maximum efficiency of 12.7% for planar perovskite (CH3NH3PbI3) devices was obtained. The perovskite films could be stored in air (20 degrees C, similar to 50% humidity) for up to 14 days without discoloration or the appearance of crystalline lead iodide in the films. (C) 2015 Elsevier B.V. All rights reserved.
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