Investigation on a dopant-free hole transport material for perovskite solar cells
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AbstractA tetraphenylethene derivative (TPE-4DPA) was synthesized and applied as the hole transporting material for planar perovskite solar cells. The use of TPE-4DPA for device fabrication requires no oxidization process and lower amount of additives, delivering an overall power conversion efficiency of 12.81%. Remarkably, even in the absence of the additives, the solar cell based on the pristine TPE-4DPA still generates a Jsc as high as 20.50 mA cm2, and moderate PCE of 9.12%. Using no additives is of critical importance, which simultaneously increases the stability of the devices and reduces the fabrication cost of perovskite solar cells, when compared to devices using Li-TFSI doped Spiro-MeTAD.
Acceptance Date15/07/2016
All Author(s) ListFei Wu, Baohua Wang, Rui Wang, Yahan Shan, Dingyu Liu, King Young Wong, Tao Chen, Linna Zhu
Journal nameRSC Advances
Volume Number6
Issue Number73
PublisherThe Royal Society of Chemistry
Place of PublicationEngland
Pages69365 - 69369
LanguagesEnglish-United Kingdom
KeywordsSolar cell, Perovskite, Hole-transporting materials

Last updated on 2021-16-01 at 01:12