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Effects of precursor solution composition on the performance and I-V hysteresis of perovskite solar cells based on CH3NH3PbI3-xClx

Overview of attention for article published in Discover Nano, February 2017
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Title
Effects of precursor solution composition on the performance and I-V hysteresis of perovskite solar cells based on CH3NH3PbI3-xClx
Published in
Discover Nano, February 2017
DOI 10.1186/s11671-017-1872-8
Pubmed ID
Authors

Z. L. Zhang, B. Q. Men, Y. F. Liu, H. P. Gao, Y. L. Mao

Abstract

Precursor solution of CH3NH3PbI3-xClx for perovskite solar cells was conventionally prepared by mixing PbCl2 and CH3NH3I with a mole ratio of 1:3 (PbCl2:CH3NH3I). While in the present study, CH3NH3PbI3-xClx-based solar cells were fabricated using the precursor solutions containing PbCl2 and CH3NH3I with the mole ratios of 1:3, 1.05:3, 1.1:3, and 1.15:3, respectively. The results display that the solar cells with the mole ratio of 1.1:3 present higher power conversion efficiency and less I-V hysteresis than those with the mole ratio of 1:3. Based on some investigations, it is concluded that the higher efficiency could be due to the smooth and pinhole free film formation, high optical absorption, suitable energy band gap, and the large electron transfer efficiency, and the less I-V hysteresis may be attributed to the small low frequency capacitance of the device.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 37 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 22%
Student > Master 4 11%
Researcher 3 8%
Student > Doctoral Student 2 5%
Student > Bachelor 1 3%
Other 5 14%
Unknown 14 38%
Readers by discipline Count As %
Materials Science 8 22%
Engineering 5 14%
Physics and Astronomy 3 8%
Chemistry 3 8%
Energy 2 5%
Other 1 3%
Unknown 15 41%