Journal
MATERIALS LETTERS
Volume 234, Issue -, Pages 311-314Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2018.09.117
Keywords
Nanoparticles; Solvothermal; Solar energy materials
Funding
- National Natural Science Foundation of China [51502239, 61774122]
- China Postdoctoral Science Foundation [2017T100751]
- 111 Project of China [B14040]
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Flexible perovskite solar cells are arising researchers' attentions due to their promising potential applications. In this letter, homogeneous and highly crystalline SnO2 nanoparticles are successfully synthesized by a solvothermal method, which are then employed to deposit high quality electron transport layers by spin coating and baking at a temperature as low as 150 degrees C. The prepared SnO2 layer has a homogenous and flat surface without any pinholes. The resulting flexible perovskite solar cell shows a high power conversion efficiency of 13.90%, which is mainly attributed to the good transmittance, efficient electron extraction and hole blocking ability of the SnO2 electron transport layer. (C) 2018 Elsevier B.V. All rights reserved.
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