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Cobalt(II)-bis-(1,10-phenanthroline)-triphenylmethane dye complexes and their photo-sensitization properties in nano-porous photovoltaic devices

Jayaweera , P. M. and Palayangoda, S. S. and Tennakone , K. and Gamage , R. G. C. R. (2002) Cobalt(II)-bis-(1,10-phenanthroline)-triphenylmethane dye complexes and their photo-sensitization properties in nano-porous photovoltaic devices. CURRENT SCIENCE, 83 (11). pp. 1368-1372. ISSN 0011-3891

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Abstract

Bromopyrogallol-red and pyrocatechol-violet, the two triphenylmethane-type ligands, can be readily complexed with [Co(1,10-phen)(2)](2+) moiety. The resulting complexes are capable of enhancing photovoltaic properties when compared with the corresponding ligands. Absorption and photocurrent action spectra suggest that a low-lying weak electronic charge transfer process, possibly a metal-to-ligand charge transfer (MLCT) process, is responsible for the enhancement of photovoltaic properties.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:7253
Deposited By:JNCASR
Deposited On:28 Oct 2009 05:20
Last Modified:28 Oct 2009 05:20

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