The Voltammetric Study of the Reduction of Tetraalkylammonium Perchlorate by Fe(TPP)^2-

Authors

Chathra Shirani De Silva, Marquette UniversityFollow
Michael D. Ryan, Marquette UniversityFollow

Document Type

Article

Publication Date

7-2007

Source Publication

Journal of Porphyrins and Phthalocyanines

Source ISSN

1099-1409

Abstract

Tetraalkylammonium ions react with Fe(TPP)²⁻ to form Fe(TPP)(R)⁻ and trialkylamine. The tetrabutylammonium cation was verified to be the source of the alkyl group in the product, Fe(TPP)(R)⁻, by using (¹H₅C₂)₃(2H₅C₂)N⁻ as the cation and ²H NMR. The reaction of Fe(TPP)²⁻ with Bu₄N⁻ was monitored by cyclic voltammetry and thin layer spectroelectrochemistry. The activation parameters were measured, and were most consistent with an electron transfer (ET) mechanism. The rate of the reaction of tetramethyl and tetraethylammonium ions with Fe(TPP)²⁻ was also examined. The rate constant decreased significantly as the carbon chain length decreased, which was also consistent with an ET mechanism.

Comments

Accepted version. Journal of Porphyrins and Phthalocyanines, Vol. 11, No. 7 (July 2007): 519-523. DOI. © 2007 Wiley. Used with permission.

This is the peer reviewed version. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for self-archiving.

Recommended Citation

De Silva, Chathra Shirani and Ryan, Michael D., "The Voltammetric Study of the Reduction of Tetraalkylammonium Perchlorate by Fe(TPP)^2-" (2007). Chemistry Faculty Research and Publications. 168.
https://epublications.marquette.edu/chem_fac/168