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Issue 69, 2018
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Design and synthesis of dopant-free organic hole-transport materials for perovskite solar cells

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Abstract

Two novel dopant-free hole-transport materials (HTMs) with spiro[dibenzo[c,h]xanthene-7,9′-fluorene] (SDBXF) skeletons were prepared via facile synthesis routes. A power conversion efficiency of 15.9% in perovskite solar cells is attained by using one HTM without dopants, which is much higher than undoped Spiro-OMeTAD-based devices (10.8%). The crystal structures of both new HTMs were systematically investigated to reveal the reasons behind such differences in performance and to indicate the design principles of more advanced HTMs.

Graphical abstract: Design and synthesis of dopant-free organic hole-transport materials for perovskite solar cells

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Supplementary files

Article information


Submitted
21 May 2018
Accepted
13 Jul 2018
First published
13 Jul 2018

This article is Open Access

Chem. Commun., 2018,54, 9571-9574
Article type
Communication

Design and synthesis of dopant-free organic hole-transport materials for perovskite solar cells

L. Wang, J. Zhang, P. Liu, B. Xu, B. Zhang, H. Chen, A. K. Inge, Y. Li, H. Wang, Y. Cheng, L. Kloo and L. Sun, Chem. Commun., 2018, 54, 9571
DOI: 10.1039/C8CC04026E

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