Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 1, Issue 10, Pages 2332-2337Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am900483y
Keywords
multiwalled carbon nanotube; organic held effect transistor; photopatternable; nanocomposite electrode
Funding
- Ministry of Knowledge Economy (MKE) [RT104-01-04]
- Information Display RD Center [F0004010-2009-32]
- Ministry of Knowledge Economy, Government of Korea
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We fabricated photopacternable and conductive polymer/multiwalled carbon nanotube (MWNT) composites by dispersing MWNTs with poly(4-styrenesulfonic acid) (PSS) and poly(acrylic acid) (PAA) in water PAA enables photo-cross-linking in the composite by adding ammonium dichromate, and PSS assists the dispersion of MWNTs in the composites, leading to higher conductivity Composite films OF PAA/PSS-MWNTs were characterized by conductivities of 14-210 S/cm and a work function of 4 46 eV, which Could be increased to 4 76 eV during UV photo-cross-linking By using PAA/PSS-MWNT composites as source/drain electrodes. 6,13-bis(triisopropylsilylethynyl)pentacene field-effect transistors (FET) exhibited a field-effect mobility of 0 101 +/- 0.034 cm(2)/(V S), which is 9 times higher than that of FETs fabricated with gold as source/drain electrodes (0 0 12 +/- 0 003 cm(2)/(V s))
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