2007
DOI: 10.1021/la063526r
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Fabrication of Electrochemical Transistor Based on π−Conjugate Polymer Langmuir−Blodgett Film

Abstract: We fabricated an efficient organic electrochemical transistor (OECT) composed of polymer Langmuir-Blodgett (LB) film. The pi-conjugated polymer LB film, which was constructed from a poly(N-dodecylacrylamide) (pDDA) and poly(3-hexylthiophene) (PHT) mixture, was used as a conduction channel layer to connect source and drain electrodes. The mixed-polymer LB film was characterized using UV-vis spectroscopy, X-ray diffraction (XRD), atomic force microscopy (AFM), and cyclic voltammetry. Subsequent UV spectra measur… Show more

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Cited by 22 publications
(12 citation statements)
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“…The concept of using a mixture of two components has been explored by Matsui et al, who developed an accumulation‐mode OECT from a blend of poly(3‐hexylthiophene) (P3HT) and poly( N ‐dodecylacrylamide) (pDDA) . pDDA is an insulator, so it does not actively contribute to charge carrier transport within the film.…”
Section: P‐type Conjugated Polymers and Conjugated Polymer Compositesmentioning
confidence: 99%
“…The concept of using a mixture of two components has been explored by Matsui et al, who developed an accumulation‐mode OECT from a blend of poly(3‐hexylthiophene) (P3HT) and poly( N ‐dodecylacrylamide) (pDDA) . pDDA is an insulator, so it does not actively contribute to charge carrier transport within the film.…”
Section: P‐type Conjugated Polymers and Conjugated Polymer Compositesmentioning
confidence: 99%
“…pDDA was prepared as described previously. 14) pDDA and RR-PHT were dissolved in chloroform solution at pDDA: RR-PHT ratio = 1 : 2 in monomer units. The deposition of a mix monolayer was carried out with an automatic Langmuir trough (USI LB lift controller FSD-51 with a Wilhelmy-type film balance) at a surface pressure of 20 mN m À1 at 15 C. The water used as a subphase was purified with an ultrapure water system (Advantec CPW-101).…”
Section: Methodsmentioning
confidence: 99%
“…Recently, we have used a regio-irregular poly(3-hexylthiophene) (RI-PHT) Langmuir-Blodgett (LB) film as a channel layer of an ECT. 14) The RI-PHT LB film is prepared by mixing RI-PHT with poly(N-dodecylacrylamide) (pDDA), which forms a stable polymer LB film. The ECT shows a relatively high on/off ratio ($10 4 ) with a low charge consumption (10 À9 mol of e À1 cm À2 ) because an ultrathin (30 nm) -conjugated polymer LB film is used as a channel layer.…”
Section: Introductionmentioning
confidence: 99%
“…Possible candidates are polyalkylacrylamide and polyalkylmethacrylamide, which form a stable polymer monolayer because of hydrogen bonding in the amide groups. 23,24 However, it is difficult to synthesize high-molecular-weight polymers by ATRP with alkylacrylamide and alkylmethacrylamide polymers. 25 A possible procedure is the use of a reactive polymer as an initial shell, with subsequent conversion of the polymer to an alkylmethacrylamide polymer.…”
Section: Characterization Of Au@sio 2 @Pmma Nanoparticle Lb Filmmentioning
confidence: 99%