Solution assembly of organized carbon nanotube networks for thin-film transistors

ACS Nano
Melburne C LemieuxZhenan Bao

Abstract

Ultrathin, transparent electronic materials consisting of solution-assembled nanomaterials that are directly integrated as thin-film transistors or conductive sheets may enable many new device structures. Applications ranging from disposable autonomous sensors to flexible, large-area displays and solar cells can dramatically expand the electronics market. With a practical, reliable method for controlling their electronic properties through solution assembly, submonolayer films of aligned single-walled carbon nanotubes (SWNTs) may provide a promising alternative for large-area, flexible electronics. Here, we report SWNT network TFTs (SWNTntTFTs) deposited from solution with controllable topology, on/off ratios averaging greater than 10(5), and an apparent mobility averaging 2 cm(2)/V.s, without any pre- or postprocessing steps. We employ a spin-assembly technique that results in chirality enrichment along with tunable alignment and density of the SWNTs by balancing the hydrodynamic force (spin rate) with the surface interaction force controlled by a chemically functionalized interface. This directed nanoscale assembly results in enriched semiconducting nanotubes yielding excellent TFT characteristics, which is corroborated with ...Continue Reading

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Citations

Jul 5, 2013·ACS Applied Materials & Interfaces·Ranulfo AllenZhenan Bao
Aug 15, 2013·Proceedings of the National Academy of Sciences of the United States of America·Katherine A MiricaTimothy M Swager
Dec 23, 2015·Chemical Reviews·Anqi Zhang, Charles M Lieber
Mar 31, 2016·Nature Communications·Feng ZhangHui-Ming Cheng
May 6, 2016·Journal of the American Chemical Society·Chang Liu, Hui-Ming Cheng
Mar 26, 2013·Journal of the American Chemical Society·Ashok Kumar SundramoorthyMary B Chan-Park
Nov 23, 2016·Topics in Current Chemistry·Xuelei LiangLianmao Peng
Jan 8, 2011·Nanotechnology·Marina Y TimmermansEsko I Kauppinen
Jan 3, 2019·Topics in Current Chemistry·Jun Hirotani, Yutaka Ohno
Apr 2, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Qing SunDong-Jin Qian

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