4.6 Article

Fabrication and photoelectric conversion of densely packed C60-ethylenediamine adduct microparticle films-modified electrode covered with electrochemically deposited polythiophene thin-films

Journal

RSC ADVANCES
Volume 13, Issue 44, Pages 31244-31251

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d3ra05150a

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Polythiophene-modified densely packed C60-ethylenediamine adduct microparticle films were prepared using a combination method. The films exhibited both photosensitizer and electron acceptor properties, and generated photocurrents in a photocell system.
Polythiophene-modified densely packed C60-ethylenediamine adduct microparticle films were prepared using a combination of liquid-liquid interfacial precipitation of the adduct microparticles and electrochemical polymerization of 2,2'-bithiophene. The amount of polythiophene was varied as a function of scanning cycles of the applied potential during electrochemical polymerization. Fluorescence-emission properties of these composite films suggested the role of C60-ethylenediamine adduct microparticle film as a photosensitizer in addition to an electron acceptor for polythiophene. Furthermore, cathodic photocurrents were generated via excitation of C60-ethylenediamine adduct microparticle film and polythiophenes using the half-photocell properties of the electrode modified with composite film in the presence of methylviologen.

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