Basf Se Corporation

Olivier Frederic Aebischer

Pascal Hayoz

Marta Fonrodona Turon

Mathieu G R Turbiez

Jean-Charles Flores

Mathias Duggeli

Beat Schmidhalter

Natalia Chebotareva

Margherita Fontana

Mathias Dueggeli

Marian Lanz

Mahmoud Zaher Eteish

Hans Juerg Kirner

Peter Murer

Thomas Schaefer

Bernd Lamatsch

Martin Elbs

Hans Jurg Kirner

The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.

Diketopyrrolopyrrole polymers for use in organic field effect transistors

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I) which are characterized in that Arand Arare independently of each other are an annulated (aromatic) heterocyclic ring system, containing at least one thiophene ring, which may be optionally substituted by one, or more groups, and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. 

Diketopyrrolopyrrole polymers for use in organic semiconductor devices

The present invention relates to novel compounds, corresponding oligomers and (co)polymers. The compounds according to the invention are useful as semiconductors and have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.

Polycyclic dithiophenes

The present invention relates to compounds of the formula (I) wherein the substituents are as defined in claim, and their use as organic semiconductor in organic devices, like diodes, organic field effect transistors and/or solar cells. The compounds of the formula I have excellent solubility in organic solvents. High efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when said compounds are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells). 

Pyrrolopyrrole derivatives, their manufacture and use as semiconductors

The present invention relates to a process for polymerizing (hetero)aromatic compounds under formation of aryl-aryl C&#x2014;C couplings for preparing conjugated polymers with high molecular weight and high regioregularity, and to novel polymers obtainable by this process. The invention further relates to the use of the novel polymers as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors (FETs), thin film transistors (TFT), electroluminescent, photovoltaic and sensor devices.

Process for polymerising (hetero)aromatic compounds

This invention relates to a polymer containing a unit of formula -[A]-, a unit of formula -[COM]-, and a unit of formula -[COM]-, wherein A is a repeating unit of formula (I): COMis a repeating unit of formula: andCOM- is a second repeating unit -COM-, which is different from the first repeating unit -COM-, a second repeating unit -A-, which is different from the first repeating unit -A-, or a repeating unit of formula: The invention also relates to articles and devices containing the polymer above, as well as processes for preparing the polymer and the articles and devices containing the polymer.

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Duedingen, Switzerland

Olivier Frederic Aebischer