UV/Vis to NIR Photoconduction in Cyclopalladated Complexes (Articolo in rivista)

Type
Label
  • UV/Vis to NIR Photoconduction in Cyclopalladated Complexes (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/asia.200900023 (literal)
Alternative label
  • Godbert N., Dattilo D., Termine R., Aiello I., Bellusci A., Crispini A., Golemme A., Ghedini M. (2009)
    UV/Vis to NIR Photoconduction in Cyclopalladated Complexes
    in Chemistry - an Asian journal (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Godbert N., Dattilo D., Termine R., Aiello I., Bellusci A., Crispini A., Golemme A., Ghedini M. (literal)
Pagina inizio
  • 1141 (literal)
Pagina fine
  • 1146 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IPCF-CNR Centro di Eccellenza CEMIF.CAL LASCAMM, CR-INSTM Unita' della Calabria Department of Chemistry University of Calabria, 87036, Arcavacata di Rende (CS) (Italy) (literal)
Titolo
  • UV/Vis to NIR Photoconduction in Cyclopalladated Complexes (literal)
Abstract
  • The incorporation of a rigid core, formed by a cyclopalladated azobenzene fragment bonded to an ancillary Schiff base ligand, into molecules with 12 or 11 peripheral alkyl chains has been successfully achieved. These new complexes, 1 and 2, respectively, are columnar liquid crystals between room temperature and about 50 8C. Both cyclometallated and ancillary ligands have been polyalkylated through either aryl ester (electron-withdrawing group) or aryl ether (electron-releasing group) linkages, in order to tune the HOMO/LUMO energy levels. The photoconductive properties of 1 and 2 have been studied as a function of their absorption properties before and after annealing, from the UV/Vis to NIR region. Compared with the reference compounds, tris-alkynyl benzene discotics, these new materials gave similar performances (s/I~8 10-13 S cmW-1 with E=10 Vmm-1 at l=370 nm). Moreover, complex 2 shows a normalized photoconductivity s/I=8.510-13 S cmW-1 at l=760 nm. Organic photoconductors in such a high wavelength spectral range are not common and are usually assembled by mixing dyes with organic semiconductors. (literal)
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