Fast, Direct, Low-Cost Route to Scalable, Conductive, and Multipurpose Poly(3,4-ethylenedixoythiophene)-Coated Plastic Electrodes

Sydam, R and Kokal, R K and M, Deepa (2015) Fast, Direct, Low-Cost Route to Scalable, Conductive, and Multipurpose Poly(3,4-ethylenedixoythiophene)-Coated Plastic Electrodes. ChemPhysChem, 16 (5). pp. 1042-1051. ISSN 1439-4235 (In Press)

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Abstract

Poly(3,4-ethylenedioxythiophene) (PEDOT) films are deposited, using an electroless method, onto flexible plastic poly(ethylene terephthalate) (PET) substrates of approximately 20×6cm2. The sheet resistance of a PEDOT-PET film is approximately 600Ω per square, and the nanoscale conductivity is 0.103Scm-1. A plastic electrochromic PEDOT-Prussian blue device is constructed. The device undergoes a color change of pale blue to deep violet-blue reversibly over 1000cycles, thus demonstrating its use as a light-modulating smart window. The PEDOT-PET film is also used in a quantum dot solar cell, and the resulting photoelectrochemical performance and work function indicate that it is also promising for photovoltaic cells. The high homogeneity of the PEDOT deposit on PET, the optimal balance between conductivity and optical transparency, and the demonstration of its use in an electro-optical device and a solar cell, offer the opportunity to use this electrode material in a variety of low-cost optoelectronic devices. Captured on film: The synthesis of low-cost, scalable, electrically conducting, uniform, and optically transparent coatings of poly(3,4-ethylenedioxythiophene) on poly(ethylene terephthalate) plastic is presented. This may have a tremendous impact on the development of cost-effective electro-optical and photovoltaic devices.

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IITH Creators:
IITH CreatorsORCiD
M, DeepaUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: conducting polymers;electrochromism;poly(3,4-ethylenedioxythiophene);solar cells;thin films
Subjects: Chemistry
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 09 Mar 2015 05:50
Last Modified: 18 Oct 2017 07:07
URI: http://raiith.iith.ac.in/id/eprint/1381
Publisher URL: https://doi.org/10.1002/cphc.201402862
OA policy: http://www.sherpa.ac.uk/romeo/issn/1439-4235/
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