Ecole Polytechnique Federale De Lausanne

Panasonic Corporation

Ecole Polytechnique Féderale De Lausanne (epfl)

Michael Saliba

Michael Graetzel

Mohammad Khaja Nazeeruddin

Taisuke Matsui

Shaik Mohammed Zakeeruddin

Klaus-Hermann Dahmen

Gianluca Pozzi

Konrad Domanski

Simonetta Orlandi

Jiyoun Seo

Wolfgang Richard Tress

A perovskite material including an organic-inorganic perovskite structure of formula (I), AMX(I), n being the number of cation A and an integer &#x3e;4, A being a monovalent cation selected from inorganic cations Ai and/or from organic cations Ao, M being a divalent metal cation or a combination thereof, X being a halide and/or pseudohalide anion or a combination thereof, wherein at least one cation A is selected from organic cations Ao, the inorganic cations Ai are independently selected from Li, Na, K, Rb, Cs, or Tland the organic cations Ao are independently selected from ammonium (NH), methyl ammonium (MA) (CHNH), ethyl ammonium (CHCHNH), formamidinium (FA) (CH(NH)), methylformamidinium (CHC(NH)), guanidium (C((NH))), tetramethylammonium ((CH)N), dimethylammonium ((CH)NH) or trimethylammonium ((CH)NH).

Mixed cation perovskite solid state solar cell and fabrication thereof

The present invention relates to a compound of formula (I) based on a structure including functionalized spirofluorene and fused aromatics or non-aromatic rings with at least one heteroatom, and used as hole transporting material in a optoelectronic and/or photoelectrochemical device.

Functional hole transport materials for optoelectronic and/or electrochemical devices

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Fribourg, Switzerland

Michael Saliba