Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material
Patent
1995-05-15
1997-05-13
Jackson, Jr., Jerome
Active solid-state devices (e.g., transistors, solid-state diode
Organic semiconductor material
H01L 5100, H01L 3524
Patent
active
056295308
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.
REFERENCES:
patent: 4780790 (1988-10-01), Takimoto et al.
patent: 5500537 (1996-03-01), Tsumura et al.
Brown Adam R.
De Leeuw Dagobert M.
Havinga Edsko E.
Lous Erik J.
Biren Steven R.
Jackson, Jr. Jerome
Kelley Nathan K.
U.S. Phillips Corporation
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