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Tetrathienoanthracene and Tetrathienylbenzene Derivatives as Hole‐Transporting Materials for Perovskite Solar Cell

descriptionPublicationkeyboard_double_arrow_right Article , Journal 04 Jul 2018 Spain, Switzerland Publisher:WileyJournal:Advanced Energy Materials, volume 8 (issn: 1614-6832, eissn: 1614-6840,

Authors: Tomás Torres; Tomás Torres; Gema de la Torre; Kyung Taek Cho; Yi Zhang; Maxence Urbani; Maxence Urbani; +4 Authors

doi: 10.1002/aenm.201800681

handle: 20.500.12614/2135

Tetrathienoanthracene and Tetrathienylbenzene Derivatives as Hole‐Transporting Materials for Perovskite Solar Cell

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Abstract

AbstractThe synthesis and characterization of two related families of star‐shaped thiophene‐containing hole‐transporting materials (HTMs) based on fused tetrathienoanthracene and nonfused tetrathienylbenzene cores are reported. All of them are endowed with four terminal (4,4′‐dimethoxy)diphenylamino groups that are either linked directly to the core or showed a different type of bridges (i.e., thiophene‐phenyl or phenyl rings). The novel HTMs are tested in mixed‐ion perovskite (Cs0.1FA0.74MA0.13PbI2.48Br0.39) solar cells, and power conversion efficiencies of up to 18.8% are measured under 1 sun irradiation, comparable with the efficiency obtained for the reference cell using 2,2′,7,7′‐tetrakis(N,N′‐di‐p‐methoxyphenylamine)‐9,9′‐spirobifluorene as an HTM.

Countries

Spain, Switzerland

Related Organizations

Qatar Foundation
Qatar
École Polytechnique Fédérale de Lausanne EPFL
Switzerland
Autonomous University of Madrid
Spain
Qatar Foundation
Qatar
Madrid Institute for Advanced Studies
Spain

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Keywords

Perovskite solar cells, Tetrathienylbenzenes, Solar energy conversion, Tetrathienoanthracenes, Química, Hole-transporting materials

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