Molecular orientation of poly(3-hexylthiophene)/fullerene composite thin films

Khairul Anuar Mohamad, and Natsuki, Komatsu and Katsuhiro, Uesugi and Hisashi, Fukuda (2010) Molecular orientation of poly(3-hexylthiophene)/fullerene composite thin films. Japanese Journal of Applied Physics , 49 (4 Part 2). ISSN 0021-4922


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Focused on the relationship between the molecular orientation and the electrical performance of poly(3-hexylthiophene)/[6,6]-phenyl C61-butyric acid methyl ester (P3HT/PCBM) composite thin films to elucidate the effect of changing amount of PCBM in P3HT:PCBM by weight ratio in organic solution has been studies. The P3HT/PCBM composite thin films were investigated by an electron spin resonance (ESR) and X-ray diffraction (XRD) to reveal the film molecular and structure orientation. It was observed that the composite films with a small amount of PCBM were capable of altering the molecular structure of P3HT. It was also observed that the presence of a small amount of PCBM molecules improved the device performance of P3HT thin film transistors (TFTs), which provide the mobility on the order of 10-3 cm2 V -1 s-1 with an on/off current ratio of 10-4. The threshold voltage was also higher than of pure P3HT TFTs. © 2010 The Japan Society of Applied Physics.

Item Type:Article
Uncontrolled Keywords:Butyric acids, Composite thin films, Device performance, Electrical performance, Electron spin resonance, Fullerene composites, Methyl esters, ON/OFF current ratio, Organic solutions, Poly (3-hexylthiophene), Weight ratios, Carrier mobility, Esters, Fatty acids, Molecular orientation, Spin dynamics, Thin film transistors, Thin films, X ray diffraction, X ray diffraction analysis, Composite films
Subjects:?? TK7800-8360 ??
ID Code:2122
Deposited By:IR Admin
Deposited On:08 Mar 2011 16:22
Last Modified:18 Feb 2015 10:08

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