Synthesis of rigid-rod linkers to anchor chromophores to semiconductor nanoparticles

Dong Wang, James M. Schlegel, Elena Galoppini

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Four rigid-rod sensitizers, made of a phenylethynyl spacer substituted with a chromophore and two COOR binding groups, were prepared to study dynamics of electron injection at the interface of metal oxide semiconductor nanoparticles. Dimethyl Ru(bpy)2(5-(5-1,10-phenanthrolinyl)ethynyl)isophthalate) 2+ (4a), dimethyl Ru(bpy)2(5-(4-(2,2′-bipyridinyl)ethynyl)isophthalate) 2+ (4b), dimethyl 5-(1-pyrenylethynyl)isophthalate (4c), and dimethyl 5-(9-anthracenylethynyl)isophthalate (4d), were synthesized and characterized. Their absorption spectra, emission spectra, and electrochemical properties have been studied in acetonitrile and hexane solutions at room temperature.

Original languageEnglish (US)
Pages (from-to)6027-6032
Number of pages6
JournalTetrahedron
Volume58
Issue number30
DOIs
StatePublished - Jul 22 2002

All Science Journal Classification (ASJC) codes

  • Drug Discovery
  • Biochemistry
  • Organic Chemistry

Keywords

  • Nanoparticle
  • Rigid-rod linkers
  • Semiconductor
  • Sensitization

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