Balancing hole and electron conduction in ambipolar split-gate thin-film Transistors

H. Yoo, M. Ghittorelli, D.-K. Lee, E.C.P. Smits, G.H. Gelinck, H. Ahn, H.-K. Lee, F. Torricelli, J.-J. Kim

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Abstract

Complementary organic electronics is a key enabling technology for the development of new applications including smart ubiquitous sensors, wearable electronics, and healthcare devices. High-performance, high-functionality and reliable complementary circuits require n- and p-type thin-film transistors with balanced characteristics. Recent advancements in ambipolar organic transistors in terms of semiconductor and device engineering demonstrate the great potential of this route but, unfortunately, the actual development of ambipolar organic complementary electronics is currently hampered by the uneven electron (n-type) and hole (p-type) conduction in ambipolar organic transistors. Here we show ambipolar organic thin-film transistors with balanced n-type and p-type operation. By manipulating air exposure and vacuum annealing conditions, we show that well-balanced electron and hole transport properties can be easily obtained. The method is used to control hole and electron conductions in split-gate transistors based on a solution-processed donor-acceptor semiconducting polymer. Complementary logic inverters with balanced charging and discharging characteristics are demonstrated. These findings may open up new opportunities for the rational design of complementary electronics based on ambipolar organic transistors.

Original languageEnglish
Article number5015
Number of pages13
JournalScientific Reports
Volume7
Issue number1
DOIs
Publication statusPublished - 1 Dec 2017

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Electrons
Equipment and Supplies
Semiconductors
Vacuum
Electron Transport
Polymers
Air
Technology
Delivery of Health Care

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Yoo, H. ; Ghittorelli, M. ; Lee, D.-K. ; Smits, E.C.P. ; Gelinck, G.H. ; Ahn, H. ; Lee, H.-K. ; Torricelli, F. ; Kim, J.-J. / Balancing hole and electron conduction in ambipolar split-gate thin-film Transistors. In: Scientific Reports. 2017 ; Vol. 7, No. 1.
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Yoo, H, Ghittorelli, M, Lee, D-K, Smits, ECP, Gelinck, GH, Ahn, H, Lee, H-K, Torricelli, F & Kim, J-J 2017, 'Balancing hole and electron conduction in ambipolar split-gate thin-film Transistors', Scientific Reports, vol. 7, no. 1, 5015. https://doi.org/10.1038/s41598-017-04933-w

Balancing hole and electron conduction in ambipolar split-gate thin-film Transistors. / Yoo, H.; Ghittorelli, M.; Lee, D.-K.; Smits, E.C.P.; Gelinck, G.H.; Ahn, H.; Lee, H.-K.; Torricelli, F.; Kim, J.-J.

In: Scientific Reports, Vol. 7, No. 1, 5015, 01.12.2017.

Research output: Contribution to journalArticleAcademicpeer-review

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