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Proceedings Paper

Tuning polarity and improving charge transport in organic semiconductors
Author(s): Joon Hak Oh; A-Reum Han; Hojeong Yu; Eun Kwang Lee; Moon Jeong Jang
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Paper Abstract

Although state-of-the-art ambipolar polymer semiconductors have been extensively reported in recent years, highperformance ambipolar polymers with tunable dominant polarity are still required to realize on-demand, target-specific, high-performance organic circuitry. Herein, dithienyl-diketopyrrolopyrrole (TDPP)-based polymer semiconductors with engineered side-chains have been synthesized, characterized and employed in ambipolar organic field-effect transistors, in order to achieve controllable and improved electrical properties. Thermally removable tert-butoxycarbonyl (t-BOC) groups and hybrid siloxane-solubilizing groups are introduced as the solubilizing groups, and they are found to enable the tunable dominant polarity and the enhanced ambipolar performance, respectively. Such outstanding performance based on our molecular design strategies makes these ambipolar polymer semiconductors highly promising for low-cost, large-area, and flexible electronics.

Paper Details

Date Published: 18 September 2013
PDF: 8 pages
Proc. SPIE 8831, Organic Field-Effect Transistors XII; and Organic Semiconductors in Sensors and Bioelectronics VI, 883112 (18 September 2013); doi: 10.1117/12.2023157
Show Author Affiliations
Joon Hak Oh, Ulsan National Institute of Science and Technology (Korea, Republic of)
A-Reum Han, Ulsan National Institute of Science and Technology (Korea, Republic of)
Hojeong Yu, Ulsan National Institute of Science and Technology (Korea, Republic of)
Eun Kwang Lee, Ulsan National Institute of Science and Technology (Korea, Republic of)
Moon Jeong Jang, Ulsan National Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 8831:
Organic Field-Effect Transistors XII; and Organic Semiconductors in Sensors and Bioelectronics VI
Zhenan Bao; Ruth Shinar; Ioannis Kymissis; Iain McCulloch, Editor(s)

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