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Title: Method and system for reducing device performance degradation of organic devices

Patent ·
OSTI ID:1154657

Methods and systems for reducing the deleterious effects of gate bias stress on the drain current of an organic device, such as an organic thin film transistor, are provided. In a particular aspect, the organic layer of an organic device is illuminated with light having characteristics selected to reduce the gate bias voltage effects on the drain current of the organic device. For instance, the wavelength and intensity of the light are selected to provide a desired recovery of drain current of the organic device. If the characteristics of the light are appropriately matched to the organic device, recovery of the deleterious effects caused by gate bias voltage stress effects on the drain current of the organic device can be achieved. In a particular aspect, the organic device is selectively illuminated with light to operate the organic device in multiple modes of operation.

Research Organization:
SRS (Savannah River Site (SRS), Aiken, SC (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
AC09-085R22470
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC)
Patent Number(s):
8,822,984
Application Number:
13/305,201
OSTI ID:
1154657
Country of Publication:
United States
Language:
English

References (11)

Photosensing thin film transistor patent-application November 2007
Dependence of persistent photocurrent on gate bias in inkjet printed organic thin-film transistor journal March 2010
Photoresponsive characteristics and hysteresis of soluble 6,13-bis(triisopropyl-silylethynyl)-pentacene-based organic thin film transistors with and without annealing journal February 2010
Reversible memory effects and acceptor states in pentacene-based organic thin-film transistors journal January 2007
Multibit Storage of Organic Thin-Film Field-Effect Transistors journal May 2009
Organic Polymer Thin-Film Transistor Photosensors journal July 2004
Highly sensitive thin-film organic phototransistors: Effect of wavelength of light source on device performance journal October 2005
Effect of light irradiation on the characteristics of organic field-effect transistors journal November 2006
Optical, Fluorescent, and (Photo)conductive Properties of High-Performance Functionalized Pentacene and Anthradithiophene Derivatives journal July 2009
Threshold Voltage Tuning of Low-Voltage Organic Thin-Film Transistors journal July 2011
New Organic Phototransistor With Bias-Modulated Photosensitivity and Bias-Enhanced Memory Effect journal July 2009

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