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Luminescent properties and photogeneration of charge carriers in porphyrin dimers and molecular photo-diodes

Authors
Journal
Journal of Luminescence
0022-2313
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/s0022-2313(96)00384-5
Keywords
  • Section 7. Organized Molecular Systems

Abstract

Abstract Charge carrier photogeneration in solid porphyrin films was investigated using optical and photocurrent action spectroscopy. In electropolymerized DA porphyrin films on ITO, acting as photo diodes, unidirectional charge separation occurs within interfacial heterodimers if E d,a( S 1)- E ct in solution is sufficiently large. In covalent porphyrin dimers on TiO 2, one of the porphyrins can act as an antenna for the photoelectrically active component.

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