Aligned polymers for an organic TFT
AssigneeCambridge University Technical Services Limited
InventorsHenning Sirringhaus, Richard Henry Friend, Richard John Wilson
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Abstract
A method for forming an electronic device having a semiconducting active layer comprising a polymer, the method comprising aligning the chains of the polymer parallel to each other by bringing the polymer into a liquid-crystalline phase.
Claims49
A method for forming an electronic device having a first electrode, a second electrode and a semiconducting active layer comprising a polymer, the method comprising aligning the chains of the polymer in a plane by bringing the polymer into a liquid-crystalline phase, the first electrode and the second electrode being disposed such that when a voltage is applied across the first and second electrodes the direction of current flow between the electrodes is in the plane.
An electronic device having a first electrode, a second electrode and a semiconducting active layer in which the polymer chains have been aligned in a plane by bringing the polymer into a liquid-crystalline phase, the first electrode and the second electrode being disposed such that when a voltage is applied across the first and second electrodes the direction of current flow between the electrodes is in the plane.
An electronic device wherein the semiconductor layer comprises a block co-polymer having a first block of conjugated monomer units each linked by at least two covalent bonds, and a second block of monomer units different from those of the first block, the block co-polymer having an electron affinity greater than 3.0 eV or 3.5 eV.
An electronic device wherein the semiconductive layer comprises a block co-polymer comprising a first block of conjugated monomer units each linked by at least two covalent bonds, and a second block of monomer units different from those of the first block, the block co-polymer having an ionisation potential in the range from 5.5 eV to 4.9 eV.
A method for forming an electronic device having a semiconducting active layer comprising a polymer, the method comprising aligning the chains of the polymer within domains by bringing the polymer into a liquid-crystalline phase.
A method for forming an electronic device having a semiconducting active layer comprising a polymer, the method comprising aligning the chains of the polymer as a monodomain oriented in a preferred uniaxial direction within the layer of the electronic device by bringing it into a liquid-crystalline phase.
Dependencies are inferred from the claim text.