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Issue 21, 2018
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Efficient and stable mixed perovskite solar cells using P3HT as a hole transporting layer

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Abstract

Inorganic–organic hybrid perovskite solar cells (PSCs) have drawn great attention in the past several years. As the stability of PSCs has been a major obstacle for their commercialization, a lot of work has been focused on improving the long-term stability. Here, we reported a meso-structured mixed PSC employing poly(3-hexylthiophene-2,5-diyl) (P3HT) as a hole transport layer (HTL) showing a stable performance even after one year of exposure to air. The impact of different HTL thicknesses on the power conversion efficiency (PCE) of the PSCs has been investigated. The performance of the PSCs was further improved by doping Li-salt/4-tert-butylpyridine into the P3HT HTL. A maximum PCE of 17.55% was achieved, superior to the 14.30% PCE of the pristine P3HT-based devices. The effect of the dopants on the stability of the devices has also been studied.

Graphical abstract: Efficient and stable mixed perovskite solar cells using P3HT as a hole transporting layer

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Publication details

The article was received on 20 Mar 2018, accepted on 06 May 2018 and first published on 09 May 2018


Article type: Paper
DOI: 10.1039/C8TC01345D
Citation: J. Mater. Chem. C, 2018,6, 5733-5737
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    Efficient and stable mixed perovskite solar cells using P3HT as a hole transporting layer

    P. Zhou, T. Bu, S. Shi, L. Li, Y. Zhang, Z. Ku, Y. Peng, J. Zhong, Y. Cheng and F. Huang, J. Mater. Chem. C, 2018, 6, 5733
    DOI: 10.1039/C8TC01345D

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