Basf Se Corporation

Polyera Corporation

Max-planck-gesellschaft Zur F&#xf6;rderung Der Wissenschaften E. V.

Flexterra, Inc.

Rieke Metals, Inc.

Silke Annika Koehler

Marcel Kastler

Florian Doetz

Antonio Facchetti

He Yan

Yan Zheng

Subramanian Vaidyanathan

Klaus Muellen

Jordan R Quinn

Ashok Kumar Mishra

Hiroyoshi Noguchi

Zhihua Chen

Shaofeng Lu

Thomas Breiner

Christopher Newman

Ralph Rieger

Dirk Beckmann

Tobin Jay Marks

Sophie Maitro-Vogel

Thomas Weitz

Xinliang Feng

Jochen Brill

Tobias Urban

Michael Lorenz

Thomas Musiol

Dieter Freyberg

Ilja Vladimirov

Miaoyin Liu

Peng Gao

Hoi Nok Tsao

Ashoki Kumar Mishra

The present invention relates to beta-naphthol ether sulfonic acids or salts thereof having the general formula (I) R&#x2014;O-(AO)&#x2014;CH&#x2014;CH&#x2014;S(O)M (I), where R, AO, n and M have the definitions stated in the claims and in the description, to mixtures thereof, to aqueous solutions and to electrolytes comprising them, to processes for preparing them and to the use of these.

Beta-naphthol ether sulfonates, processes for preparing them and use thereof as brightness improvers

Disclosed are a novel semiconductor composition comprising at least one organic semiconductor in a liquid medium and the use thereof the production of organic semiconductor devices, in particular organic field effect transistors, organic solar cells, light-emitting diodes and sensors.

Organic semiconductor composition comprising a liquid medium

Disclosed are polymer-based dielectric compositions (e.g., formulations) and materials (e.g. films) and associated devices. The polymers generally include photocrosslinkable pendant groups; for example, the polymers can include one or more coumarin-containing pendant groups.

Photocurable polymeric dielectrics and methods of preparation and use thereof

Disclosed herein are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic &#x3c0;-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present disclosure can possess certain processing advantages such as improved solution-processability and low annealing temperature.

Semiconductor materials prepared from dithienylvinylene copolymers

Disclosed are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic &#x3c0;-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as improved solution-processability and low annealing temperature.

Disclosed are new semiconductor materials prepared from rylene-(&#x3c0;-acceptor) copolymers. Such copolymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Semiconductor materials prepared from rylene-(&#x3c0;-acceptor)copolymers

Photocurable polymeric dielectrics containing 6-substituted coumarin moieties and methods of preparation and use thereof

The present invention relates to an electronic device comprising at least one dielectric layer, said dielectric layer comprising a crosslinked organic compound based on at least one compound which is radically crosslinkable and a method of making the electronic device.

Crosslinkable dielectrics and methods of preparation and use thereof

A process for preparing a regioregular homopolymer or copolymer of 3-substituted thiophene, 3-substituted selenophene, 3-substituted thiazol or 3-substituted selenazol by a) reacting a 3-substituted 2,5-dihalothiophene, 2,5-dihaloselenophene, 2,5-dihalothiazol or 2,5-dihaloselenazol with reactive zinc, magnesium and/or an organomagnesium halide to give an organozinc or organomagnesium intermediate containing one halozinc or one halomagnesium group, b) bringing the organozinc or the organomagnesium intermediate into contact with a Ni(II), Ni(O), Pd(II) or Pd(0) catalyst to initiate the polymerization reaction, and c) polymerizing the organozinc or the organomagnesium intermediate to give a regioregular head-to-tail homopolymer or copolymer of 3-substituted thiophene, 3-substituted selenophene, 3-substituted thiazol or 3-substituted selenazol characterized in that the polymerization reaction is carried out at a temperature rising from a lower temperature Tto a higher temperature Tduring a time t, wherein Tis in the range of from &#x2212;40 to 5&#xb0; C. and Tis in the range of from &#x2212;20 to 40&#xb0; C., wherein T&#x2212;Tis at least 10&#xb0; C. and the average rate of increase (T&#x2212;T)/tis in the range of from 0.05&#xb0; C./min to 1&#xb0; C./min.

Process for preparing regioregular poly-(3-substituted) thiophenes, selenophenes, thiazoles and selenazoles

Poly(5,5'-bis(thiophen-2-yl)-benzo[2,1-b;3,4-b&#x2032;]dithiophene) comprising as repeating units the group of the formula (I) wherein R is independently selected from a) a Calkyl group, b) a Calkenyl group, c) a Calkynyl group, d) a Calkoxy group, e) a &#x2014;Y&#x2014;Ccycloalkyl group, f) a &#x2014;Y&#x2014;Caryl group, g) a &#x2014;Y-3-12 membered cycloheteroalkyl group, or h) a &#x2014;Y-5-14 membered heteroaryl group, wherein each of the Calkyl group, the Calkenyl group, the Calkynyl group, the Ccycloalkyl group, the Caryl group, the 3-12 membered cycloheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1-4 Rgroups, Ris independently selected from a) a S(O)&#x2014;Calkyl group, b) a S(O)&#x2014;OCalkyl group, c) a S(O)&#x2014;OCaryl group, d) a C(O)&#x2014;OCalkyl group, e) a C(O)&#x2014;OCaryl group, f) a Calkyl group, g) a Calkenyl group, h) a Calkynyl group, i) a Calkoxy group, j) a Ccycloalkyl group, k) a Caryl group, l) a 3-12 membered cycloheteroalkyl group, or m) a 5-14 membered heteroaryl group, Y is independently selected from a divalent Calkyl group, or a covalent bond; and m is independently selected from 0, 1, or 2, and having a number average molecular weight Min the range of from 5,000 to 200,000 g/mol. 

Poly(5,5'bis(thiophen-2-yl)-benzo[2,1-b;3,4-b&#x2032;]dithiophene) and its use as high performance solution processable semiconducting polymer

Disclosed are new semiconductor materials prepared from naphthalene-imide copolymers. Such polymers can exhibit desirable electronic properties and can possess processing advantages including solution-processability and/or good stability at ambient conditions.

Naphtalene-imide semiconductor polymers

A polymer comprising repeating units A and optionally repeating units B wherein Z=S, Se, N&#x2014;R and O; W is at each occurrence independently a monocyclic or polycylic moiety optionally substituted with 1-4 Rgroups; Y, at each occurrence, is independently a divalent Calkyl group, a divalent Chaloalkyl group, or a covalent bond; c is from 1 to 6. 

Fused bithiophene-vinylene polymers

The present invention relates to semiconducting compounds, materials prepared from such compounds, methods of preparing such compounds and semiconductor materials, as well as various compositions, composites, and devices that incorporate the compounds and semiconductor materials. The semiconducting compounds can have higher electron-transport efficiency and higher solubility in common solvents compared to related representative compounds.

Perylene semiconductors and methods of preparation and use thereof

Dithienobenzo-thieno[3,2-b]thiophene-copolymers of the formula (I) wherein: pi is a monocyclic or polycyclic moiety optionally substituted with 1-4 Ra groups, wherein R, at each occurrence, is independently hydrogen or a) a halogen, b) &#x2014;(CN, c) &#x2014;NO, d) oxo, e) &#x2014;OH, f) &#x2550;C(R); g) a Calkyl group, h) a Calkenyl group, i) a Calkynyl group, j) a Calkoxy group, k) a Calkylthio group, l) a Chaloalkyl group, m) a &#x2014;Y&#x2014;Ccycloalkyl group, n) a &#x2014;Y&#x2014;Caryl group, o) a &#x2014;Y-3-12 membered cycloheteroalkyl group, or p) a &#x2014;Y-5-14 membered heteroaryl group, wherein each of the Calkyl group, the Calkenyl group, the Calkynyl group, the Ccycloalkyl group, the Caryl or haloaryl group, the 3-12 membered cycloheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1-4 Rgroups; Y, at each occurrence, is independently a divalent Calkyl group, a divalent Chaloalkyl group, or a covalent bond; and R, R, R, at each occurrence, are independently H, a halogen, CN, a Calkyl group, a Calkenyl group, a Chaloalkyl group, a Calkynyl group, a Calkoxy group, a C(O)&#x2014;Calkyl group, a C(O)&#x2014;OCalkyl group, a Y&#x2014;Ccycloalkyl group, a &#x2014;Y-3-12 membered cycloheteroalkyl group, each optionally substituted with 1-5 substituents selected from a halogen, &#x2014;CN, a Calkyl group, a Calkoxy group, and a Chaloalkyl group, -L-Ar, -L-Ar&#x2014;Ar, -L-Ar&#x2014;R, or -L-Ar&#x2014;Ar&#x2014;Rand Y, at each occurrence, is independently a divalent Calkyl group, a divalent Chaloalkyl group, or a covalent bond; n=0, 1, 2; and o=1-1000. 

Dithienobenzo-thieno[3,2-B]thiophene-copolymer and its use as high performance solution processable semiconducting polymer

Dithienobenzodithiophenes of general formula (I) in which Rto Rare each independently selected from a) H, b) halogen, c) &#x2014;CN, d) &#x2014;NO, e) &#x2014;OH, f) a Calkyl group, g) a Calkenyl group, h) a Calkynyl group, i) a Calkoxy group, j) a Calkylthio group, k) a Chaloalkyl group, I) a &#x2014;Y&#x2014;Ccycloalkyl group, m) a &#x2014;Y&#x2014;Caryl group, n) a &#x2014;Y-3-12 membered cyclo-heteroalkyl group, or o) a &#x2014;Y-5-14 membered heteroaryl group, wherein each of the Calkyl group, the Calkenyl group, the Calkynyl group, the Ccycloalkyl group, the Caryl group, the 3-12 membered cyc-loheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1-4 Rgroups, wherein Rand Rand Rand Rmay also together form an aliphatic cyclic moiety, Y is independently selected from divalent a Calkyl group, a divalent Chaloalkyl group, or a covalent bond; and m is independently selected from 0, 1, or 2. The invention also relates to the use of the dithienobenzodithiophenes according to any of claimstoas semiconductors or charge transport materials, as thin-film transistors (TFTs), or in semiconductor components for organic light-emitting diodes (OLEDs), for photovoltaic components or in sensors, as an electrode material in batteries, as optical waveguides or for electrophotography applications. 

Growing community of inventors

Basel, Switzerland

Silke Annika Koehler