Journal
ORGANIC ELECTRONICS
Volume 35, Issue -, Pages 171-175Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2016.05.004
Keywords
F4TCNQ; Hole transporting material; Perovskite solar cells
Funding
- National Basic Research Program of China [2014CB643506, 2013CB922104]
- NSFC [21161160445, 21274048]
- Fundamental Research Funds for the Central Universities [HUST: CXY12Q022]
- Fund of the Wuhan National Laboratory for Optoelectronics
- Wuhan National High Magnetic Field Center [2015KF18]
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The CH3NH3PbI3-based perovskite solar cells using alpha, alpha'-diethoxyethyl-oligothiophenes (DEPT-SC) doped with 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquino-dimethane (F4TCNQ) as hole transport material (HTM) exhibited a power conversion efficiency of 11.52%. Compared to the pristine devices, the perovskite solar cells using the new synthesized HTM showed an increased efficiency by about 18% and exhibited better photo-stability, indicating that the organic dopant is an effective method for DEPT-SC toward stable perovskite solar cells. (C) 2016 Published by Elsevier B. V.
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