PEDOT
Name : Poly(3,4-ethylenedioxythiophene)
IUPAC Name : poly(2,3-dihydrothieno[3,4-b][1,4]dioxane-5,7-diyl)
CAS number : 126213-51-2
Poly(3,4-ethylenedioxythiophene) |
Chemically polymerized PEDOT was first discovered in 1988.
Compare to earlier poly-thiophenes, PEDOT possesses greater advantageous properties.
These polymers have high stability and transparency in their conducting state.
The oxidative polymerization process is used to prepare PEDOT.
Each monomer 3,4 - ethylenedioxythiophene (EDOT) loses two electrons while oxidized and form conjugate poly-thiophene.
It has a moderate bandgap and low redox- potential.
A disadvantage of these polymers is the solubility (very poor). By making composite with PSS (polystyrene sulfonate) or TMA (tetramethcrylate) this disadvantage will overcome.
PSS is mostly used for commercial purposes.
There are many preparation methods that are developed according to their use.
Applications :
Capacitors
Electrochromic Displays
Solar cells
Printed wiring and Sensors
Capacitors
Touch Panels
O-LED
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