Merck Patent Gmbh

Soad Mohialdin-Khaffaf

Stephen William Leeming

Simon Dominic Ogier

Janos Veres

Richard Williams

Paul Craig Brookes

Richard Thomas Williams

A composition for use as an organic semiconducting (OSC) material, the composition comprising: (i) at least one higher molecular weight organic semiconducting compound having a number average molecular weight (M) of at least 5000, and (ii) at least one lower molecular weight organic semiconducting compound having a number average molecular weight (M) of 1000 or less. Use of the composition in an electronic device, e.g. FET or OLED.

Organic semiconducting materials

A process of manufacturing an organic field effect device is provided comprising the steps of (a) depositing from a solution an organic semiconductor layer; and (b) depositing from a solution a layer of low permittivity insulating material forming at least a part of a gate insulator, such that the low permittivity insulating material is in contact with the organic semiconductor layer, wherein the low permittivity insulating material is of relative permittivity from 1.1 to below 3.0. In addition, an organic field effect device manufactured by the process is provided.

Organic field effect transistor with an organic dielectric

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Soad Mohialdin-Khaffaf