A photoelectrochemical cell with oriented pigment-polymer complexes

D. Fra̧ckowiak, M. Romanowski, S. Hotćhandani, L. LeBlanc, Roger Leblanc, I. Gruda

Research output: Contribution to journalArticle

Abstract

Photovoltaic effects and photocurrent generation in electrochemical cells consisting of a layer of oriented pigment-polymer complexes sandwiched between two semiconducting electrodes have been investigated. The complexes of chlorophyll a, chlorophyll b and stilbazolium merocyanines with polyvinyl alcohol have been used. The electric and optical properties of the cells have been established. The cells exhibit a potential difference which is changed under illumination. The phenomenon observed is explained supposing the formation of different junctions between the sample and each electrode. This difference is related to an asymmetric distribution of charge across the cell. Surface states related to SnO2 electrode decomposition are formed during aging of the cell. The cells investigated simulate to some extent biological membranes across which the redox components are distributed asymmetrically, enabling vectorial transfer of charge through the membrane.

Original languageEnglish
Pages (from-to)371-387
Number of pages17
JournalJournal of Electroanalytical Chemistry
Volume253
Issue number3
DOIs
StatePublished - Jan 1 1988
Externally publishedYes

Fingerprint

Photoelectrochemical cells
Pigments
Polymers
Chlorophyll
Electrodes
Photovoltaic effects
Biological membranes
Polyvinyl Alcohol
Electrochemical cells
Polyvinyl alcohols
Surface states
Photocurrents
Electric properties
Optical properties
Aging of materials
Lighting
Decomposition
Membranes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

A photoelectrochemical cell with oriented pigment-polymer complexes. / Fra̧ckowiak, D.; Romanowski, M.; Hotćhandani, S.; LeBlanc, L.; Leblanc, Roger; Gruda, I.

In: Journal of Electroanalytical Chemistry, Vol. 253, No. 3, 01.01.1988, p. 371-387.

Research output: Contribution to journalArticle

Fra̧ckowiak, D, Romanowski, M, Hotćhandani, S, LeBlanc, L, Leblanc, R & Gruda, I 1988, 'A photoelectrochemical cell with oriented pigment-polymer complexes', Journal of Electroanalytical Chemistry, vol. 253, no. 3, pp. 371-387. https://doi.org/10.1016/0022-0728(88)87074-8
Fra̧ckowiak, D. ; Romanowski, M. ; Hotćhandani, S. ; LeBlanc, L. ; Leblanc, Roger ; Gruda, I. / A photoelectrochemical cell with oriented pigment-polymer complexes. In: Journal of Electroanalytical Chemistry. 1988 ; Vol. 253, No. 3. pp. 371-387.
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