Samsung Electronics Co., Ltd.

Ecole Polytechnique Federale De Lausanne

Kaunas University of Technology

Basf Se Corporation

Kauno Technologies Universitetas

Epfl-swiss Federal Institute of Technology Lausanne

Maryte Daskeviciene

Vytautas Getautis

Nusrallah Jubran

Zbigniew Tokarski

Edmundas Montrimas

Jonas Sidaravicius

Valentas Gaidelis

Vygintas Jankauskas

Tadas Malinauskas

Albina Stanisauskaite

Kam Wah Law

Mohammad Khaja Nazeeruddin

Ingrida Paulauskaite

Robertas Maldzius

Janina Gavutiene

Robert Send

Ingmar Bruder

Michael Graetzel

Sanghyun Paek

Patrick Knoll

Artiom Magomedov

Tadeus Lozovski

Paul Gratia

Sarune Daskeviciute-Geguziene

Kasparas Rakstys

Yi Zhang

Simona Urnikaite

The teachings herein pertain to hole transporting compounds containing a cyclobutyl moiety, which can be made into organic hole conductors and into hole transporting material. Additionally, optoelectronic and photoelectrochemical devices comprising such hole transporting material or hole transporting compound are described, in particular photovoltaic devices, organic-inorganic perovskite films, layered photovoltaic devices, p-n heterojunctions, dye-sensitized solar cells, organic solar cells and solid-state solar cells. Notably, a fabricated perovskite solar cell module using a disclosed HTM compound exhibited a record efficiency over 19.0% with an active area of 30.24 cm.

Photovoltaic devices containing cyclobutane-based hole transporting materials

The present invention relates to a compound of formula (I) based on enamine derivatives and used as organic hole conductors or hole transporting material in an optoelectronic or photoelectrochemical device. The present invention relates to the hole transporting compounds based on enamine derivatives for efficiency perovskite or dye sensitized solar cells and optoelectronic devices, organic light-emitting diode (OLED), field-effect transistors (FET).

Hole transporting organic molecules containing enamine groups for optoelectronic and photoelectrochemical devices

The present invention relates to a compound of formula (I) based on carbazole substituted by diphenylamine and used as organic hole conductors or hole transporting material in an optoelectronic or photoelectrochemical device, with (I), D being selected from formula (1) or (2): 

Small molecule hole transporting material for optoelectronic and photoelectrochemical devices

The present invention relates to compounds of general formula I wherein Rand Rare each independently hydrogen, C-C-alkyl which in case of C-alkyl may be interrupted by one and in case of C-C-alkyl by one or two nonadjacent oxygen atoms, C-C-cycloalkyl, aryl, aryl-C-C-alkyl or aryloxy-C-C-alkyl, D is an m-valent (m=1, 2 or 3) donor moiety which comprises at least one carbon-carbon or carbon-heteroatom double bond and/or at least one unfused or fused carbo- or heterocyclic ring, A is an acceptor moiety which comprises at least one carbon-carbon or carbon-heteroatom double bond and/or at least one unfused or fused carbo- or heterocyclic ring, and the donor moiety D and the acceptor moiety A are &#x3c0;-conjugated to one another. Furthermore, the present invention relates to the use of compounds of formula I for producing dye-sensitized solar cells and to dye-sensitized solar cells comprising compounds of formula I.

Organic dyes comprising a hydrazone moiety and their use in dye-sensitized solar cells

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: 

Heterocycle-hydrazone based charge transport materials

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:  Corresponding electrophotographic apparatuses and imaging methods are described.

Charge transport materials having a central disulfane linkage

Improved charge transport material comprises the formula: 

Charge transport materials having at least a metallocene group

This invention relates to a novel organophotoreceptor that comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having  The epoxy group can be reacted with a functional group within the polymer to form a polymeric charge transport compound either directly or through a crosslinking agent.

Organophotoreceptor with charge transport compound having an epoxy group

An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:  Corresponding electrophotographic apparatuses, imaging methods, and methods of forming the charge transport material are described.

Azine-based charge transport materials

Linked dihydrazone-based charge transport compounds

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: where Rand Rare, independently, hydrogen, an alkyl group, an alkaryl group or an aryl group; X is an aromatic group; Y is an (N,N-disubstituted)arylamine; Z is (CH)group where m is an integer between 0 and 30 where one or more of the methylene groups is optionally replaced by O, S, C&#x2550;O, O&#x2550;C&#x2014;O, O&#x2550;C&#x2014;NR, sulfoxide, sulfate, phosphate, an aryl group, urethane, urea, NRgroup, CHRgroup, or CRRgroup where R, R, R, R, and Rare, independently, H, hydroxyl, thiol, an amine group, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group, and E is a bond, O, S, C&#x2550;O, NR, CRRgroup, a hetrocyclic group, or an aromatic group where R, R, and Rare, independently, H, an alkyl group, an alkaryl group, or an aryl group; and

Organophotoreceptor with charge transport compound with an azine group

Organophotoreceptor with novel charge transport compounds having an epoxy group

Hydrazone-based charge transport materials

Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R, R, R, and Rcomprise, each independently, an alkyl group, an alkenyl group, an aromatic group, a heterocyclic group, or a part of a ring group; X and X' comprise, each independently, an aromatic group; Y and Y&#x2032; comprise, each independently, a (disubstituted)methylene group; and Z is a linking group; (b) a charge generating compound; and (c) an electrically conductive substrate on which said charge transport material and said charge generating compound are located. Corresponding electrophotographic apparatuses and imaging methods are also described.

Azine-based dimeric charge transport materials

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Jonava, Lithuania

Maryte Daskeviciene