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Issue 27, 2018
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Efficient and UV-stable perovskite solar cells enabled by side chain-engineered polymeric hole-transporting layers

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Abstract

Biaxially-extended octithiophene-based conjugated polymers are demonstrated as effective polymeric hole-transporting layers (HTLs) to simultaneously enhance the efficiency and UV-photostability of perovskite solar cells (PVSCs). The intense UV absorption contributed from the conjugated side-chain groups of such polymers facilitated its function of UV filtering when serving as the bottom HTL in PVSCs. Through rationally tailoring polymer backbone structure, a highly efficient (PCE: 18.34%) PVSC with much improved UV-photostability and ambient stability was successfully achieved.

Graphical abstract: Efficient and UV-stable perovskite solar cells enabled by side chain-engineered polymeric hole-transporting layers

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Supplementary files

Article information


Submitted
19 Apr 2018
Accepted
16 Jun 2018
First published
16 Jun 2018

J. Mater. Chem. A, 2018,6, 12999-13004
Article type
Communication

Efficient and UV-stable perovskite solar cells enabled by side chain-engineered polymeric hole-transporting layers

C. Tsai, N. Li, C. Lee, H. Wu, Z. Zhu, L. Wang, W. Chen, H. Yan and C. Chueh, J. Mater. Chem. A, 2018, 6, 12999
DOI: 10.1039/C8TA03608J

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