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Method for modulating threshold voltage of organic field-effect transistor

A modulation method and threshold voltage technology, applied in semiconductor/solid-state device manufacturing, circuits, electrical components, etc., can solve the problems of complex modulation threshold voltage, and achieve the effect of large degree of freedom and easy adjustment

Active Publication Date: 2011-06-22
INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention is proposed to solve the problem that the threshold voltage modulation by changing the size of the organic field effect transistor is very complicated in the related art

Method used

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  • Method for modulating threshold voltage of organic field-effect transistor
  • Method for modulating threshold voltage of organic field-effect transistor
  • Method for modulating threshold voltage of organic field-effect transistor

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Embodiment Construction

[0018] Functional Overview

[0019] In an embodiment of the present invention, a scheme for modulating the threshold voltage of an organic field effect transistor is provided. In this implementation scheme, the organic field effect transistor is irradiated by a light source, and a voltage pulse is applied to it to modulate the organic field effect transistor. The threshold voltage of an effect transistor.

[0020] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0021] According to an embodiment of the present invention, a method for modulating the threshold voltage of an organic field effect transistor is provided. Before describing the method, a preferred organic field effect transistor for carrying out the method is first described.

[0022] S...

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Abstract

The invention provides a method for modulating a threshold voltage of an organic field-effect transistor. The method comprises the following steps of: providing the organic field-effect transistor; irradiating an organic semiconductor layer of the organic field-effect transistor by using a light source according to a required threshold voltage; applying a voltage pulse to the organic field-effect transistor; and repealing the voltage pulse and the light source in turn or at the same time after a predetermined time. Through the technical scheme, the problems of complexity and low freedom degree of the conventional method for modulating an organic semiconductor field-effect transistor are solved; moreover, the modulated threshold voltage of the organic field-effect transistor can be maintained for a long time; and the method has a high freedom degree and is easy to modulate the organic field-effect transistor.

Description

technical field [0001] The invention relates to the field of semiconductors, in particular to a method for modulating the threshold voltage of an organic field effect transistor. Background technique [0002] With the development of information technology, there is an increasing demand for low-cost, flexible, low-weight, and portable electronic products; traditional organic field-effect transistors and circuits based on inorganic semiconductor materials are difficult to meet these requirements, so these Under this trend, organic microelectronics based on organic polymer semiconductor materials have attracted more and more attention. [0003] Organic field-effect transistors are the basic components of organic circuits, and their performance plays a decisive role in the performance of the circuit. Among them, the mobility determines the speed of the organic field effect transistor, which in turn affects the operating frequency of the circuit; the voltage, including the opera...

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Application Information

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IPC IPC(8): H01L51/40
Inventor 商立伟刘明姬濯宇
Owner INST OF MICROELECTRONICS CHINESE ACAD OF SCI