A partially-planarised hole-transporting quart-p-phenylene for perovskite solar cells

Juan P. Mora-Fuentes; Diego Cortizo-Lacalle; Silvia Collavini; Karol Strutyński; Wolfgang R. Tress; Michael Saliba; Shaik M. Zakeeruddin; Ivet Kosta; Manuel Melle-Franco; Michael Grätzel; Juan Luis Delgado; Aurelio Mateo-Alonso

doi:10.1039/C9TC01076A

A partially-planarised hole-transporting quart-p-phenylene for perovskite solar cells†

Juan P. Mora-Fuentes,^a Diego Cortizo-Lacalle,^a Silvia Collavini,

^a Karol Strutyński,

^b Wolfgang R. Tress,

^c Michael Saliba,

^c Shaik M. Zakeeruddin,

^c Ivet Kosta,^d Manuel Melle-Franco,

^b Michael Grätzel,*^c Juan Luis Delgado

*^ae and Aurelio Mateo-Alonso

*^ae

Author affiliations

* Corresponding authors

^a POLYMAT, University of Basque Country UPV-EHU, Avenida Tolosa 72, E-20018 Donostia-San Sebastián, Spain
E-mail: juanluis.delgado@polymat.eu, amateo@polymat.eu

^b CICECO-Aveiro Institute of Materials, Department of Chemistry, Aveiro, Portugal

^c Laboratory for Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
E-mail: Michael.Graetzel@epfl.ch

^d CIDETEC, Paseo Miramón, 191, E-20014 Donostia-San Sebastián, Spain

^e Ikerbasque, Basque Foundation for Science, Bilbao, Spain

Abstract

Herein, we describe the synthesis of a hole transporting material based on a partially planarised quart-p-phenylene core incorporating tetraketal and diphenylamine substituents that show optimal energy levels and solubility for perovskite solar cell applications. The triple-cation perovskite devices incorporating such quart-p-phenylene derivatives show power-conversion efficiencies, short circuit currents, open circuit voltages, and fill factors that are comparable to those of spiro-OMeTAD.

Journal of Materials Chemistry C

A partially-planarised hole-transporting quart-p-phenylene for perovskite solar cells†

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A partially-planarised hole-transporting quart-p-phenylene for perovskite solar cells

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