Solution Processed High Performance Short Channel Organic Thin-Film Transistors with Excellent Uniformity and Ultra-low Contact Resistance for Logic and Display

High performance organic thin-film transistors (OTFTs) are fabricated by using normal spin-coating processes with the highest processing temperature of 115 °C, The devices present negligible contact resistance and excellent uniformity over 4 inch area. An average mobility higher than 4 cm 2 /V·s is...

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Bibliographic Details
Published in2018 IEEE International Electron Devices Meeting (IEDM) pp. 38.3.1 - 38.3.4
Main Authors Feng, L., Huang, Y., Fan, J., Zhao, J., Pandya, S., Chen, S., Tang, W., Ogier, S., Guo, X.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2018
Subjects
Contact resistance
Dielectrics
Electrodes
Logic gates
Metals
Organic thin film transistors
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Summary:High performance organic thin-film transistors (OTFTs) are fabricated by using normal spin-coating processes with the highest processing temperature of 115 °C, The devices present negligible contact resistance and excellent uniformity over 4 inch area. An average mobility higher than 4 cm 2 /V·s is achieved with 7\ \boldsymbol{\mu}\mathbf{m} channel length devices. Ring oscillators and AMOLED displays based on the OTFTs are demonstrated. A dual gate structure is implemented to tune the threshold voltage of the OTFTs for improving the compensation and gray-level adjusting capability of an AMOLED in-pixel compensation circuit.
ISSN:2156-017X
DOI:10.1109/IEDM.2018.8614683