Issue 43, 2020

High-resolution organic field-effect transistors manufactured by electrohydrodynamic inkjet printing of doped electrodes

Abstract

Electrohydrodynamic inkjet (E-jet) printing is a promising technology to fabricate high-performance organic electronic devices due to its high resolution, low-cost and drop-on-demand characteristics. Here, we fabricate top-contact OFETs by using E-jet printed source/drain electrodes. The printed resolution could be smaller than 5 μm on an organic semiconductor. A printable Ag ink consisting of the F4-TCNQ additive greatly improves the charge injection of the OFET, and thus the OFETs show comparable performance with thermally evaporated electrodes. The printing and doping of top electrodes can be realized in one step, which is essential to realize fully printed organic devices. The E-jet printing demonstrates its potential in high-resolution, high-performance OFET applications.

Graphical abstract: High-resolution organic field-effect transistors manufactured by electrohydrodynamic inkjet printing of doped electrodes

Supplementary files

Article information

Article type
Paper
Submitted
26 may 2020
Accepted
15 iyl 2020
First published
16 iyl 2020

J. Mater. Chem. C, 2020,8, 15219-15223

High-resolution organic field-effect transistors manufactured by electrohydrodynamic inkjet printing of doped electrodes

J. Zhang, B. Geng, S. Duan, C. Huang, Y. Xi, Q. Mu, H. Chen, X. Ren and W. Hu, J. Mater. Chem. C, 2020, 8, 15219 DOI: 10.1039/D0TC02508A

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