| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Simultaneous Enhancement of Electrical Conductivity and Seebeck Coefficient of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) Films Treated with Urea |
| KONG Fang-Fang1, LIU Cong-Cong1, XU Jing-Kun1**, JIANG Feng-Xing1, LU Bao-Yang1, YUE Rui-Rui1, LIU Guo-Dong2, WANG Jian-Min2
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1Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013
2School of Communication and Electronics, Jiangxi Science and Technology Normal University, Nanchang 330013
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| Cite this article: |
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KONG Fang-Fang, LIU Cong-Cong, XU Jing-Kun et al 2011 Chin. Phys. Lett. 28 037201 |
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Abstract The thermoelectric performance of free-standing poly(3,4-ethylenedioythiophene): poly(styrenesulfonate) (PEDOT:PSS) thin films deposited from aqueous dispersion treated by different concentrations of urea are investigated in detail. The electrical conductivity, Seebeck coefficient and power factor of PEDOT:PSS films versus temperature are determined, respectively. It is found that both the electrical conductivity and Seebeck coefficient of PEDOT:PSS films are enhanced after treatment with urea. Conductivity could be enhanced from 8.16 to 63.13 S⋅cm−1, the Seebeck coefficient is increased from 14.47 to 20.7 µV⋅K−1 and the power factor is rises to 2.7 µW⋅m−1K−2 at 300 K.
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| Keywords:
72.20.Pa
72.80.Le
84.60.Bk
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Received: 26 September 2010
Published: 28 February 2011
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| PACS: |
72.20.Pa
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(Thermoelectric and thermomagnetic effects)
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72.80.Le
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(Polymers; organic compounds (including organic semiconductors))
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84.60.Bk
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(Performance characteristics of energy conversion systems; figure of merit)
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