Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material
Patent
1996-08-23
1999-10-19
Saadat, Mahshid
Active solid-state devices (e.g., transistors, solid-state diode
Organic semiconductor material
257 66, 257 75, 438 99, H01L 3524, H01L 5100
Patent
active
059693762
ABSTRACT:
Thin film transistors in which the active layer is an ordered film of a pthalocyanine coordination compound with a field-effect mobility greater than 10.sup.-3 cm.sup.2 /Vs and a conductivity in the range of about 10.sup.-9 S/cm to about 10.sup.-7 S/cm at 20.degree. C. are disclosed. Examples of suitable pthalocyanines include copper pthalocyanine, zinc pthalocyanine, hydrogen pthalocyanine, and tin pthalocyanine. Thin film devices made of these materials have an on/off ratio of at least about 10.sup.4. It is advantageous if the device is fabricated using a process in which the substrate is heated to a temperature in the range of about 30.degree. C. to about 200.degree. C. when the film is formed thereon.
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Botos Richard J.
Lucent Technologies - Inc.
Saadat Mahshid
Wilson Allan R.
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