期刊
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
卷 54, 期 15, 页码 1433-1436出版社
WILEY
DOI: 10.1002/polb.24038
关键词
bioelectronics; conducting polymers; electrochemical impedance; mixed conductivity; organic bioelectronics
Recent measurements in poly(3,4-ethylenedioxy-thiophene): poly(styrene sulfonate) (PEDOT:PSS) films show that capacitance scales with film volume. We discuss the ramifications of this finding and propose a simple model that describes capacitance in terms of sites in which ions injected from the electrolyte replace holes that are extracted from the film by a metal contact. We propose that volumetric capacitance is inversely proportional to the average distance between these sites. (C) 2016 Wiley Periodicals, Inc.
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