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Title: Novel hole transporting materials based on triptycene core for high efficiency mesoscopic perovskite solar cells
Authors: Mhaisalkar, Subodh Gautam
Sabba, Dharani
Li, Hairong
Yin, Jun
Boix, Pablo P.
Krishna, Anurag
Soci, Cesare
Grimsdale, Andrew C.
Keywords: DRNTU::Science::Chemistry
Issue Date: 2014
Source: Xu, X., Fan, Z., Yu, X., Ding, S., Yu, D., & Lou, D. X. W. (2014). A nanosheets-on-channel architecture constructed from MoS2 and CMK-3 for high-capacity and long-cycle-life lithium storage. Advanced Energy Materials, 4,(17).
Series/Report no.: Chemical science
Abstract: Three novel hole-conducting molecules (T101, T102 and T103) based on a triptycene core have been synthesized using short routes with high yields. The optical and electrochemical properties were tuned by modifying the functional groups, through linking the triptycene to diphenylamines via phenyl and/or thienyl groups. The mesoporous perovskite solar cells fabricated using T102 and T103 as the hole transporting material (HTM) showed a power conversion efficiency (PCE) of 12.24% and 12.38%, respectively, which is comparable to that obtained using the best performing HTM spiro-OMeTAD. The T102 based device showed higher fill factor (69.1%) and Voc (1.03 V) than the spiro-OMeTAD based device (FF = 63.4%, Voc = 0.976 V) whereas the T103 based device showed comparable Jsc (20.3 mA cm−2) and higher Voc (0.985 V) than the spiro-OMeTAD (Jsc = 20.8 mA cm−2) based cell.
DOI: 10.1039/C4SC00814F
Rights: This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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