National Changhua University of Education Institutional Repository : Item 987654321/17413

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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/17413

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/17413

Title:	Increasing the Work Function of Poly(3,4-ethylenedioxythiophene) Doped with Poly(4-styrenesulfonate) by Ultraviolet Irradiation
Authors:	Lin, Yow-Jon;Yang, Fu-Ming;Huang, Chi-Yen;Chou, Wei-Yang;Chang, Jay;Lien, Yi-Chun
Contributors:	光電科技研究所
Keywords:	Conducting polymers;Electrical conductivity;Organic semiconductors;Raman spectra;Ultraviolet radiation effects;Work function;X-ray photoelectron spectra
Date:	2007-08
Issue Date:	2013-10-02T08:36:55Z
Publisher:	American Institute of Physics
Abstract:	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 (532 nm 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.
Relation:	Applied Physics Letters, 91(9): 092127
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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