Benzotrithiophene-Based Hole-Transporting Materials for 18.2% Perovskite Solar Cells

• New star-shaped benzotrithiophene (BTT)-based hole-transporting materials (HTM) BTT-1, BTT-2 and BTT-3 have been obtained through a facile synthetic route by crosslinking triarylamine-based donor groups with a benzotrithiophene (BTT) core. The BTT HTMs were tested on soln.-processed lead trihalide perovskite-based solar cells. Power conversion efficiencies at 16-18.2% were achieved under AM 1.5 sun with the 3 derivs. These values are comparable to those obtained with today's most commonly used HTM spiro-OMeTAD, which point them out as promising candidates to be used as readily available and..


Published in:
Angewandte Chemie, International Edition, 55, 21, , 6270-6274
Year:
2016
Laboratories:




 Record created 2016-09-10, last modified 2018-01-28


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