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Title: Facile synthesis of a hole transporting material with a silafluorene core for efficient mesoscopic CH3NH3PbI3 perovskite solar cells
Authors: Krishna, Anurag
Sabba, Dharani
Yin, Jun
Bruno, Annalisa
Antila, Liisa J.
Soci, Cesare
Mhaisalkar, Subodh
Grimsdale, Andrew Clive
Keywords: Facile synthesis
Perovskite solar cells
Issue Date: 2016
Source: Krishna, A., Sabba, D., Yin, J., Bruno, A., Antila, L. J., Soci, C., et al. (2016). Facile synthesis of a hole transporting material with a silafluorene core for efficient mesoscopic CH3NH3PbI3 perovskite solar cells. Journal of Materials Chemistry A, 4(22), 8750-8754.
Series/Report no.: Journal of Materials Chemistry A
Abstract: A novel electron-rich small-molecule, 4,4′-(5,5-dihexyl-5H-dibenzo[b,d]silole-3,7-diyl)bis(N,N-bis(4-methoxyphenyl)aniline) (S101), containing silafluorene as the core with arylamine side groups, has been synthesized via a short efficient route. When S101 was incorporated into a CH3NH3PbI3 perovskite solar cell as a hole transporting material (HTM), a short circuit photocurrent density (Jsc) of 18.9 mA cm−2, an open circuit voltage (Voc) of 0.92 V, and a fill factor (FF) of 0.65 contributing to an overall power conversion efficiency (PCE) of ∼11% which is comparable to the PCE obtained using the current state-of-the-art HTM 2,2′,7,7′-tetrakis(N,N′-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD) (η = 12.3%) were obtained. S101 is thus a promising HTM with the potential to replace the expensive spiro-OMeTAD due to its comparable performance and much simpler and less expensive synthesis route.
ISSN: 2050-7488
DOI: 10.1039/C6TA01776B
Rights: © 2016 The Author(s) (Royal Society of Chemistry). This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Materials Chemistry A, The Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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