Increasing the work function of poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) by ultraviolet irradiation
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- Yow-Jon Lin
- National Changhua University of Education Institute of Photonics, , Changhua 500, Taiwan
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- Fu-Ming Yang
- National Changhua University of Education Institute of Photonics, , Changhua 500, Taiwan
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- Chi-Yen Huang
- National Changhua University of Education Institute of Photonics, , Changhua 500, Taiwan
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- Wei-Yang Chou
- National Cheng Kung University Institute of Electro-Optical Science and Engineering, , Tainan 701, Taiwan
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- Jay Chang
- National Cheng Kung University Institute of Electro-Optical Science and Engineering, , Tainan 701, Taiwan
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- Yi-Chun Lien
- National Changhua University of Education Department of Physics, , Changhua 500, Taiwan
書誌事項
- 公開日
- 2007-08-27
- DOI
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- 10.1063/1.2777147
- 公開者
- AIP Publishing
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説明
<jats:p>The effects of ultraviolet (UV) irradiation on the work function of poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) (PEDOT:PSS) have been investigated in this study. Spectroscopic methods [x-ray photoelectron spectroscopy and Raman spectroscopy (532nm excitation)] and electrical conductivity measurements were used to characterize the electrical conducting polymer PEDOT:PSS prepared by UV irradiation. The authors found that UV irradiation could lead to an increase in the work function and the enhancement of electrical conductivity of PEDOT:PSS, resulting from a decrease in the number of the charge-trapping-related defects and the formation of linear or expanded-coil conformation.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 91 (9), 2007-08-27
AIP Publishing