Magnetic field effects on photoelectrochemical responses of modified electrodes with Langmuir-Blodgett monolayer containing porphyrin-viologen linked compounds

Hiroaki Yonemura, Kei Ohishi, Taku Matsuo

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Modified electrodes were prepared by depositing a monolayer containing porphyrin-viologen linked compounds with various spacer chain-length on ITO electrodes by Langmuir-Blodgett method. Stable anodic photocurrents were observed by visible light irradiation upon the modified electrodes. The photocurrents were clearly enhanced in the presence of magnetic fields. Effects of spacer chain-length on the magnetic field effects arc caused by photoactive triplet radical pairs.

Original languageEnglish
Pages (from-to)221-224
Number of pages4
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume294-95
Issue number0
Publication statusPublished - 1997

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Viologens
Magnetic field effects
Porphyrins
porphyrins
Monolayers
Photocurrents
Chain length
spacers
Electrodes
photocurrents
electrodes
magnetic fields
ITO (semiconductors)
arcs
Irradiation
Magnetic fields
irradiation

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

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abstract = "Modified electrodes were prepared by depositing a monolayer containing porphyrin-viologen linked compounds with various spacer chain-length on ITO electrodes by Langmuir-Blodgett method. Stable anodic photocurrents were observed by visible light irradiation upon the modified electrodes. The photocurrents were clearly enhanced in the presence of magnetic fields. Effects of spacer chain-length on the magnetic field effects arc caused by photoactive triplet radical pairs.",
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AU - Ohishi, Kei

AU - Matsuo, Taku

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AB - Modified electrodes were prepared by depositing a monolayer containing porphyrin-viologen linked compounds with various spacer chain-length on ITO electrodes by Langmuir-Blodgett method. Stable anodic photocurrents were observed by visible light irradiation upon the modified electrodes. The photocurrents were clearly enhanced in the presence of magnetic fields. Effects of spacer chain-length on the magnetic field effects arc caused by photoactive triplet radical pairs.

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