New oligothienyl-imidazo-phenanthroline chromophores for NLO applications: Advanced Materials Forum IV - Selected, peer reviewed papers from the 4th International Materials Symposium Materiais 2007 and 8th Encontro da Sociedade Portuguesa de Materiais - SPM

Rosa M. F. Batista, S.P.G. Costa, C. Lodeiro, M. Belsley, E.D.M. Gomes, M.M.M. Raposo

Research output: Book/ReportBook

2 Citations (Scopus)

Abstract

A new series of oligothienyl-imidazo-phenanthrolines 3 were synthesised in good to excellent yields by condensation of 5,6-phenantroline-dione 2 with formyl-thiophene derivatives 1 in the presence of ammonium acetate in glacial acetic acid. Furthermore, their solvatochromism and molecular optical nonlinearities were determined and comparatively studied. The experimental results indicate that phenanthrolines 3, due to their moderate solvatochromic properties and good optical nonlinearities, could be used as suitable probes for the determination of solvent polarity and as nonlinear optical materials.
Original languageEnglish
Place of PublicationPorto
PublisherWILEY-BLACKWELL
Number of pages5
Volume587-588
ISBN (Print)02555476 (ISSN)
Publication statusPublished - 2008

Keywords

  • Chromophores
  • Hyper-Rayleigh scattering technique
  • Imidazole
  • Nonlinear optics (NLO)
  • Phenanthroline
  • Solvatochromism
  • Thlophene
  • UV-vislble spectroscopy
  • Ammonium compounds
  • Materials
  • Nonlinear optics
  • Optical materials
  • Raman spectroscopy
  • Rayleigh scattering
  • Self phase modulation
  • Statistical process control
  • Thiophene
  • Materials properties

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