Semiconductor device having an organic semiconductor material
First Claim
1. A semiconductor device provided with an organic material which is formed by a solid-state mixture of organic donor and organic acceptor molecules, characterized in that the material comprises an n- or p-type semiconductor material, wherein the n-type semiconductor material has a molar ratio between the donor and acceptor molecules below 0.05, and wherein the p-type semiconductor material has this ratio greater than 20.
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Abstract
A semiconductor device is provided with an organic material which is formed by a solid-state mixture of organic donor and organic acceptor molecules. A semiconducting solid-state mixture is known with molar ratios between donor and acceptor molecules of 1.3:2 and 1.66:2. The known solid-state mixture has the disadvantage that its electrical conductivity is comparatively high, so that it is not possible to manufacture switchable devices from the mixture. Here the material includes an n- or p-type semiconductor material, the n-type semiconductor material having a molar ratio between the donor and acceptor molecules below 0.05, and the p-type semiconductor material having this ratio above 20. These solid-state mixtures may be used for manufacturing switchable semiconductor devices. The n- and p-type organic solid-state mixtures can be used for manufacturing transistors, diodes, and field effect transistors in a same manner as, for example, doped silicon or germanium.
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Citations
9 Claims
- 1. A semiconductor device provided with an organic material which is formed by a solid-state mixture of organic donor and organic acceptor molecules, characterized in that the material comprises an n- or p-type semiconductor material, wherein the n-type semiconductor material has a molar ratio between the donor and acceptor molecules below 0.05, and wherein the p-type semiconductor material has this ratio greater than 20.
Specification