Siju, CR and Saravanan, TR and Rao, Narasimha K and Sindhu, S (2014) Optical, Electrochemical, and Structural Properties of Spray Coated Dihexyl Substituted Poly (3,4 propylene dioxythiophene) Film for Optoelectronics Devices. In: INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS, 63 (7). pp. 374-379.
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The dihexyl substituted poly (3,4-propylenedioxythiophene) (PProDOT-Hx(2)) thin films uniformly deposited by cost effective spray coating technique on transparent conducting oxide coated substrates. The electro-optical properties of PProDOT-Hx(2) films were studied by UV-Vis spectroscopy that shows the color contrast about 45% with coloration efficiency of approximate to 185cm(2)/C. The electrochemical properties of PProDOT-Hx(2) films were studied by cyclic voltammetry and AC impedance techniques. The cyclic voltammogram shows that redox reaction of films are diffusion controlled and ions transportation will be faster on the polymer film at higher scan rate. Impedance spectra indicate that polymer films are showing interface charge transfer process as well as capacitive behavior between the electrode and electrolyte. The XRD of the PProDOT-Hx(2) thin films revealed that the films are in amorphous nature, which accelerates the transportation of ions during redox process.
| Item Type: | Journal Article |
|---|---|
| Publication: | INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS |
| Publisher: | TAYLOR & FRANCIS AS |
| Additional Information: | copyright for this article belongs to TAYLOR & FRANCIS AS, KARL JOHANS GATE 5, NO-0154 OSLO, NORWAY |
| Keywords: | Electrochemical properties; optical properties; PProDOT-Hx(2) thin films; spray coating |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 25 Mar 2014 09:37 |
| Last Modified: | 25 Mar 2014 09:38 |
| URI: | http://eprints.iisc.ac.in/id/eprint/48638 |
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