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Issue 38, 2016
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Copper iodide as a potential low-cost dopant for spiro-MeOTAD in perovskite solar cells

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Abstract

Low-cost inorganic copper iodide (CuI) is introduced as a potential oxidizer for hole-transport material (HTM) in perovskite solar cells (PSCs). Characterization of oxidizability and energy levels indicates that the CuI can effectively oxidize spiro-MeOTAD. Through solvent engineering and concentration optimization, the CuI (20% mole ratio) doped spiro-MeOTAD gives higher power conversion efficiency (PCE) than that of the FK209 dopant. This work shows the promise of a state-of-the-art method using a low-cost dopant for hole transport material in perovskite solar cells.

Graphical abstract: Copper iodide as a potential low-cost dopant for spiro-MeOTAD in perovskite solar cells

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Supplementary files

Article information


Submitted
20 Jul 2016
Accepted
30 Aug 2016
First published
15 Sep 2016

J. Mater. Chem. C, 2016,4, 9003-9008
Article type
Paper

Copper iodide as a potential low-cost dopant for spiro-MeOTAD in perovskite solar cells

P. Wang, J. Zhang, Z. Zeng, R. Chen, X. Huang, L. Wang, J. Xu, Z. Hu and Y. Zhu, J. Mater. Chem. C, 2016, 4, 9003
DOI: 10.1039/C6TC03077G

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