Display disquisition based on conductive polymers: The colour spectrum of the polyaniline film

Gergely Ballun, G. Harsányi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Conductive polymers, such as polyaniline, polypyrrole etc. have special chemochromatic properties. The redox processes in electrochemical cell are reversible and causes colour changes on the electrode covered by the polymer layer. The redox state of the polymer (with varying conductivity) can be changed either by chemical or by electrical processes. The former method is used in sensor applications, the latter one in actuator and display devices. The oxidised and reduced forms of polyaniline have different colour. Between the two states, its absorption spectrum changes continually from translucent to yellow, green, and blue, depending on the applied cell voltage. This voltage allows us to create low-power display devices, because the change is caused by transient processes and low current flow. The study shows the details of this colour-changes on polyaniline sample. Expanding the system with polymers with other spectra (o-phenilene-diamine with a spectrum from translucent to red) we might have an RGB or CYM display.

Original languageEnglish
Title of host publicationFirst International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incoperating POLY, PEP and Adhasives in Electronics
Pages291-294
Number of pages4
Publication statusPublished - 2001
EventFirst International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incorporating POLY,PEP and Adhesives in Electronics (POLYTRONIC 2001) - Potsdam, Germany
Duration: Oct 21 2001Oct 24 2001

Other

OtherFirst International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incorporating POLY,PEP and Adhesives in Electronics (POLYTRONIC 2001)
CountryGermany
CityPotsdam
Period10/21/0110/24/01

Fingerprint

Polyaniline
Display devices
Color
Polymers
Electrochemical cells
Polypyrroles
Electric potential
Absorption spectra
Actuators
Electrodes
Sensors
Oxidation-Reduction

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ballun, G., & Harsányi, G. (2001). Display disquisition based on conductive polymers: The colour spectrum of the polyaniline film. In First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incoperating POLY, PEP and Adhasives in Electronics (pp. 291-294)

Display disquisition based on conductive polymers : The colour spectrum of the polyaniline film. / Ballun, Gergely; Harsányi, G.

First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incoperating POLY, PEP and Adhasives in Electronics. 2001. p. 291-294.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ballun, G & Harsányi, G 2001, Display disquisition based on conductive polymers: The colour spectrum of the polyaniline film. in First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incoperating POLY, PEP and Adhasives in Electronics. pp. 291-294, First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incorporating POLY,PEP and Adhesives in Electronics (POLYTRONIC 2001), Potsdam, Germany, 10/21/01.
Ballun G, Harsányi G. Display disquisition based on conductive polymers: The colour spectrum of the polyaniline film. In First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incoperating POLY, PEP and Adhasives in Electronics. 2001. p. 291-294
Ballun, Gergely ; Harsányi, G. / Display disquisition based on conductive polymers : The colour spectrum of the polyaniline film. First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics: Incoperating POLY, PEP and Adhasives in Electronics. 2001. pp. 291-294
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