Electrochemical studies on stacked-ring silicon phthalocyanines

Thomas M. Mezza, Neal R. Armstrong, George W. Ritter, John P. Iafalice, Malcolm E. Kenney

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Voltammetric and spectroscopic data on monomeric, dimeric, and trimeric t-butyldimethylsilyl silicon phthalocyanines (SiPc) are compared. These phthalocyanines are bonded through axial OSiO linkages with an interplanar spacing of about 0.34 nm. The through-space orbital interactions which result from the cofacial orientation of the SiPc rings causes a large stabilization of the one-electron oxidation product of the dimer and trimer SiPc compared to the monomer SiPc and a slight destabilization of their one-electron reduction products. The electrochemical reactions have significance in correlation with the conductivity, photoconductivity, and solid-state orientation of phthalocyanines which aggregate or polymerize.

Original languageEnglish (US)
Pages (from-to)227-237
Number of pages11
JournalJournal of Electroanalytical Chemistry
Volume137
Issue number2
DOIs
StatePublished - Jul 23 1982

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

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