Title :
Effects of PEG on the stability and electrochemical properties of PEDOT: PSS films obtained by spin coating
Author :
Stoian, Andrei Bogdan ; Pirvu, Cristian ; Demetrescu, Ioana
Author_Institution :
Dept. of Gen. Chem., Univ. Politeh. of Bucharest, Bucharest, Romania
Abstract :
By mixing the same concentration polyethylene glycol (PEG) with molar masses of 400, 600 and 1000, a series of poly (3,4-ethylenedioxythiophene):poly (styrenesulfonate) (PEDOT: PSS) composite thin films were prepared by spin coating. The morphology of the films was inspected by Atomic Force Microscopy (AFM). Electrochemical characterizations performed over a time span of five days including Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS) were used to determine the stability of the films. The experimental results showed that the properties of PEDOT: PSS films were greatly influenced by the molecular weight of PEG.
Keywords :
atomic force microscopy; electrochemical impedance spectroscopy; filled polymers; polymer films; spin coating; thin films; voltammetry (chemical analysis); AFM; EIS; PEG; atomic force microscopy; cyclic voltammetry; electrochemical impedance spectroscopy; electrochemical properties; films morphology; molar masses; molecular weight; poly(3,4- ethylenedioxythiophene):poly(styrenesulfonate) composite thin films; polyethylene glycol; spin coating; Circuit stability; Coatings; Films; Gold; Plastics; Rough surfaces; Stability analysis; PEDOT; PSS; influence of PEG; stability;
Conference_Titel :
Semiconductor Conference (CAS), 2014 International
Conference_Location :
Sinaia
Print_ISBN :
978-1-4799-3916-9
DOI :
10.1109/SMICND.2014.6966397
