نتایج جستجو برای: conducting polymer
تعداد نتایج: 148025 فیلتر نتایج به سال:
We have studied polyaniline and polyethylenedioxythiophene transparent electrodes for use as hole-injecting anodes in polymer light emitting diodes. The anodes were doped with a variety of polymer and monomer-based acids and cast from either water or organic solvents to determine the effect of the dopant and solvent on the hole-injection properties. We find that the anodes with polymeric dopant...
Dielectric behavior of doped poly (methyl acrylate) (PMA) Conducting polymer has been investigated in electret state. The permittivity and loss factor have been obtained at varying temperatures from 30 to 230C and different frequencies 05,10,25 and 50 kHz for different electrode configurations of doped poly (methyl acrylate) (PMA) conducting polymer films of 25μm thickness. The capacitances are...
In this research, an enzyme modified electrode has been produced during the electropolymerization of aniline through incorporation of sulfite oxidase into a conducting polymer. Then the bioelectrochemical response of resulted sulfite biosensor was investigated at different experimental conditions. Study of the stability of the resulted sulfite biosensor revealed that formation of a passive...
Electron-conductive polymers were first reported in 1971 by Shirakawa and co-workers [1]. They synthesized conducting polyacetylene and found that it had a considerably high conductivity relative to other organic compounds, 10 S cm 1 [1–3]. Since 1971, various conducting polymers and their synthesis mechanisms have been studied actively by many researchers [4]. The conductivities of these polym...
This review focuses on polymer field-effect transistor (PFET) based gas sensor with polymer as the sensing layer, which interacts with gas analyte and thus induces the change of source-drain current (ΔISD). Dependent on the sensing layer which can be semiconducting polymer, dielectric layer or conducting polymer gate, the PFET sensors can be subdivided into three types. For each type of sensor,...
We describe here a truly "one piece" electronic conducting polymer based linear actuator operating in the open air.
A polyaniline-based conducting composite was prepared by oxidative polymerisation of aniline in a polyvinylchloride (PVC) matrix. The coherent free standing thin films of the composite were prepared by a solution casting method. The polyvinyl chloride-polyaniline composites exposed to 120 MeV ions of silicon with total ion fluence ranging from 10 to 10 ions/cm, were observed to be more sensitiv...
Past few decades, conducting and redox active polymers play a critical role in the development of transducers for biosensing. It has been evidenced by increasing numerous reports on conducting and redox active polymers incorporated electrodes for assay of biomolcules. This review highlights the potential uses of electrogenerated polymer modified electrodes and polymer/carbon nanotubes composite...
بررسی اثرات الکتروکاتالیتیکی مونومر 2و 5- دی (2-تینیل) پیرول بر روی الکتروپلیمریزاسیون پیرول و تیوفن
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