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Balancing the ambipolar conduction for pentacene thin film transistors through bifunctional electrodes

Chuan, Yi Yang and Kekuda, Dhananjaya and Shiau-Shin, Cheng and Chun, Wei Ou and You-Che, Chuang and Meng, Chyi Wu and Chih, Wei Chu (2008) Balancing the ambipolar conduction for pentacene thin film transistors through bifunctional electrodes. applied physics letters, 92.

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Abstract

We report an effective way to equilibrate hole and electron transport in ambipolar pentacene thin film transistors �TFTs�. It was achieved by inserting an ultra thin lithium fluoride �LiF� layer at the electrode/organic interface to form a bifunctional source/drain electrode. It can be observed that the presence of ultrathin LiF layer will facilitate the injection of electrons from source/drain electrodes to organic semiconductor, resulting in a significant enhancement of the n-channel conduction, without sacrificing p-channel conduction for ambipolar pentacene TFTs. These factors make them potential candidates for the organic complementary circuits and inverter circuits of these ambipolar TFTs are also demonstrated

Item Type: Article
Subjects: Engineering > MIT Manipal > Physics
Depositing User: MIT Library
Date Deposited: 05 Sep 2013 05:46
Last Modified: 05 Sep 2013 05:46
URI: http://eprints.manipal.edu/id/eprint/137065

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