Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine as a dopant-free hole transporting material

• DOI: 10.1039/c9ta01681c
• Publication Date: 2019-04-15T20:34:16Z
• Authors: Hong Duc Pham; Lidón Gil-Escrig; Krishna Feron; Sergei Manzhos; Steve Albrecht; Henk J. Bolink; Prashant Sonar
• Keywords: Triphenylamine

New small molecules based on 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine moieties are developed for use as dopant-free hole transporting materials (HTMs) in planar inverted perovskite solar cells. Power conversion efficiencies (PCE) high 17.1% obtained good stability.