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Proceedings Paper

Electrically engineered polymer-carbon hybrid heterojunction for high-performance printed transistors
Author(s): Do Hwan Kim; Gyu Won Kang; Hyeon-Jin Shin; Woo-Jae Kim
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Paper Abstract

Molecularly hybridized materials composed of polymer semiconductors (PSCs) and single-walled carbon nanotubes (SWNTs) may provide a new platform to exploit an advantageous combination of semiconductors, which yields electrical properties that are not available in a single component system. In this talk, we demonstrate high-performance ink-jet printed hybrid transistors with an electrically engineered heterostructure by using specially designed PSCs and semiconducting SWNTs (sc-SWNTs) whose system achieved a high mobility of 0.23 cm2V-1s-1, no Von shift, a low off-current, and good bias-stability. We also revealed that binding energy between PSCs and sc-SWNT was strongly affected by side-chain length of PSCs, leading to the formation of homogeneous nanohybrid film. Eventually, understanding of electrostatic interactions in the heterostructure and experimental results suggest criteria for the design of nanohybrid heterostructures. Acknowledgement. This work was supported by a grant (Code No. 2011-0031628) from the Center for Advanced Soft Electronics under the Global Frontier Research Program of the Ministry of Science, ICT and Future Planning, Korea. The authors acknowledge Prof. Kilwon Cho for collaboration on the analysis of x-ray diffraction.

Paper Details

Date Published: 7 October 2014
PDF: 12 pages
Proc. SPIE 9185, Organic Field-Effect Transistors XIII; and Organic Semiconductors in Sensors and Bioelectronics VII, 91850V (7 October 2014); doi: 10.1117/12.2062554
Show Author Affiliations
Do Hwan Kim, Soongsil Univ. (Korea, Republic of)
Gyu Won Kang, Soongsil Univ. (Korea, Republic of)
Hyeon-Jin Shin, SAMSUNG Electronics Co., Ltd. (Korea, Republic of)
Woo-Jae Kim, Gachon Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 9185:
Organic Field-Effect Transistors XIII; and Organic Semiconductors in Sensors and Bioelectronics VII
Zhenan Bao; Ruth Shinar; Ioannis Kymissis; Iain McCulloch, Editor(s)

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