NDLI: A highly hindered bithiophene-functionalized dispiro-oxepine derivative as an efficient hole transporting material for perovskite solar cells

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A highly hindered bithiophene-functionalized dispiro-oxepine derivative as an efficient hole transporting material for perovskite solar cells

Content Provider	Semantic Scholar
Author	Rakstys, Kasparas Paek, Sanghyun Sohail, Muhammad Gao, Peng Cho, Kyung Taek Gratia, Paul Lee, Yonghui Dahmen, Klaus Hermann Nazeeruddin, Mohammad Khaja
Copyright Year	2016
Abstract	Dimethoxydiphenylamine-substituted dispiro-oxepine derivative 2,2′,7,7′-tetrakis-(N,N′-di-4-methoxyphenylamine)dispiro-[fluorene-9,4′-dithieno[3,2-c:2′,3′-e]oxepine-6′,9′′-fluorene] (DDOF) has been designed and synthesized using a facile synthetic route. The novel hole transporting material (HTM) was fully characterized and tested in perovskite solar cells exhibiting a remarkable power conversion efficiency of 19.4%. More importantly, compared with spiro-OMeTAD-based devices, DDOF shows significantly improved stability. The comparatively comprehensive solid structure study is attempted to disclose the common features of good performance HTMs. These achievements clearly demonstrated that the highly hindered DDOF can be an effective HTM for the fabrication of efficient perovskite solar cells and further enlightened the rule of new HTM's design.
Starting Page	18259
Ending Page	18264
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1039/C6TA09028A
Alternate Webpage(s)	http://www.rsc.org/suppdata/c6/ta/c6ta09028a/c6ta09028a1.pdf
Alternate Webpage(s)	https://doi.org/10.1039/C6TA09028A
Volume Number	4
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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