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Dopant-Free Polymeric Hole-Transporting Materials for Perovskite Solar Cell

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The present teachings relate to hybrid organic-inorganic perovskite solar cells including a hole-transport layer in contact with the perovskite light-absorbing layer, where the hole-transport layer (HTL) is a pristine (undoped) polymer. More specifically, the HTL comprises a copolymer including a benzo[1,2-d;4,5-d']bistriazole-containing repeating unit and a benzo[1,2-b:4,5-b']dithiophene-containing repeating unit.
Marks, Tobin J. (Evanston, IL), Chang, Robert P.H. (Glenview, IL), Tam, Teck Lip Dexter (Evanston, IL), Liao, Hsueh-Chung (Chicago, IL), Facchetti, Antonio (Chicago, IL)
15/ 157,778
May 18, 2016
[0002] This invention was made with government support under DE-SC0001059 awarded by the Department of Energy. The government has certain rights in the invention.