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Solution-Processable Nanotube/Polymer Composite for High-Performance TFTs
KTH, School of Information and Communication Technology (ICT), Electronic Systems. KTH, School of Information and Communication Technology (ICT), Centres, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK.
KTH, School of Information and Communication Technology (ICT), Electronic Systems. KTH, School of Information and Communication Technology (ICT), Centres, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK.
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2011 (English)In: IEEE Electron Device Letters, ISSN 0741-3106, E-ISSN 1558-0563, Vol. 32, no 9, 1299-1301 p.Article in journal (Refereed) Published
Abstract [en]

Thin-film field-effect transistors (TFTs) are readily fabricated using a semiconductor composite that is solution processed under ambient conditions for the conduction channel. The composite comprises single-walled carbon nanotubes (SWCNTs) embedded in poly-9,9' dioctyl-fluorene-co-bithiophene. Carrier mobility values approaching 10 cm(2)V(-1)s(-1) are obtained for the composite with relatively high SWCNT concentrations. When the SWCNT concentration is reduced for a large ON/OFF current ratio > 10(6), the mobility remains decent around 0.3 cm(2)V(-1)s(-1). The resultant TFTs display remarkable environmental and operational reliability. Nanotube-based composites are therefore of significance in printed electronics owing to their simplicity in device fabrication and competitiveness in device performance.

Place, publisher, year, edition, pages
2011. Vol. 32, no 9, 1299-1301 p.
Keyword [en]
Carbon nanotubes, mobility, reliability, semiconducting polymer, thin-film field-effect transistor (TFT)
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-40652DOI: 10.1109/LED.2011.2158569ISI: 000294171600045Scopus ID: 2-s2.0-80052024231OAI: oai:DiVA.org:kth-40652DiVA: diva2:443791
Funder
Swedish Research Council
Note
QC 20110927Available from: 2011-09-27 Created: 2011-09-20 Last updated: 2017-12-08Bibliographically approved

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