Self-Assembling Trimolecular Redox Chains at Zeolite Y Modified Electrodes

Zhuyin Li, Cuiwei Lai, Thomas E. Mallouk

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SnO2electrodes modified with a 2–4 monolayer thick coating of I bind a single dense layer of zeolite Y particles, presumably via siloxane linkages. The cationic silane and zeolite particles provide ion binding sites for multiply charged anions such as FefCN)64-, large cations such as tris(2,2/-bipyridyl)osmium(II) and tris(l,10-phenanthroline)iron(II), and small cations such as trimethyl(ferrocenylmethyl)ammonium. Cyclic voltammetric data are consistent with occupation of sites within the zeolite framework by the small cations, occupation of zeolite outer surface sites by the large cations, and occupation of sites in the silane film by Fe(CN)64-. The large cations situated on the zeolite outer surface are found to mediate all electron transfers to and from the smaller cations contained in the bulk.

Original languageEnglish (US)
Pages (from-to)178-182
Number of pages5
JournalInorganic chemistry
Issue number2
StatePublished - Jan 1 1989

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry


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