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Title: Hole blocking layer-free perovskite solar cells with over 15% efficiency
Authors: Zheng, L
Ma, Y
Wang, Y 
Xiao, L
Zhang, F
Yang, H 
Issue Date: 2017
Source: Energy procedia, 2017, v. 105, no. , p. 188-193
Abstract: The past five years have witnessed the significant breakthrough of perovskite solar cells (PSCs). High certificated power conversion efficiency (PCE) of 22.1% was achieved in a short time after the inorganic-organic perovskite was firstly used as the light absorber in the solar cells. It is believed that PSCs now become one of the most promising photovoltaic in the new-generation solar cells, which may rival silicon based solar cells. In this article, simplified planar perovskite solar cells without a hole-blocking layer were fabricated by a two-step spin-coating method, and the highest PCE of 15.1% was achieved with an average PCE of 13.6%. Moreover, it is found that the hysteresis effect is reduced in this kind of devices. The research on improved performance for the PSCs with simplified device architecture is very important both for understanding the working mechanism of cells, and for fabricating low-cost and high-performance PSCs to approach commercial applications.
Keywords: Hole-blocking layer free
Morphology control
Perovskite solar cells
Publisher: Elsevier
Journal: Energy procedia 
ISSN: 1876-6102
EISSN: 1876-6102
DOI: 10.1016/j.egypro.2017.03.300
Description: 8th International Conference on Applied Energy, ICAE 2016, Beijing, China, 8-11 October 2016
Rights: © 2017 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (
The following publication Zheng, L., Ma, Y., Wang, Y., Xiao, L., Zhang, F., & Yang, H. (2017). Hole blocking layer-free perovskite solar cells with over 15% efficiency. Energy Procedia, 105, 188-193 is available at
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