Molecular complexes between octaethyltetrathiaporphyrin dication and electron donors: A spectroscopic and electrochemical study

Atif Mahammed*, Mordecai Rabinovitz, Itamar Willner, Emanuel Vogel, Michael Pohl

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Octaethyltetrathiaporphyrin dication, OTP2+, is electrochemically reduced by two successive electron‐transfer processes to OPT0. OPT2+ forms intermolecular complexes with a series of π‐donors. The association constants of the resulting complexes are controlled by the oxidation potentials of the π‐donors and solvent properties. OTP2+ was incorporated into a Nafion membrane cast on a Pt electrode. Formation of OTP2+–π‐donor complexes in the polymer membrane was followed by electrochemical and spectroscopic means. The association constants of the OTP2+–π‐donor complexes in the Nafion membrane exhibit lower values than a homogeneous phase owing to the high ionic strength in the polyelectrolyte.

Original languageEnglish
Pages (from-to)647-658
Number of pages12
JournalJournal of Physical Organic Chemistry
Volume8
Issue number10
DOIs
StatePublished - Oct 1995

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