Phosphonate-Derivatized Porphyrins for Photoelectrochemical Applications

ACS Applied Materials & Interfaces
Animesh NayakThomas J Meyer

Abstract

A series of phosphonate-derivatized, high redox potential porphyrins with mesityl, pentafluorophenyl, and heptafluoropropyl meso-substituents were synthesized by acid-catalyzed condensation reactions. Ground and excited state redox potentials in the series were varied systematically with the electron-donating or electron-accepting nature of the meso-substitutents. The extent of excitation and injection by porphyrin singlet excited states surface-bound to SnO2/TiO2 core/shell metal oxide nanoparticle films varies with the excited state reduction potential, E°(')(P(+)/P*). With the mesityl-substituted porphyrin, high current density and sustained photocurrents are observed at pH 7 with the addition of the electron transfer donor hydroquinone.

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Citations

Jul 27, 2017·Chemical Society Reviews·J LiG R Patzke
Aug 30, 2017·Physical Chemistry Chemical Physics : PCCP·Amanda N OehrleinWayne L Gladfelter
Mar 30, 2017·Methods and Applications in Fluorescence·Olga RyazanovaVictor Karachevtsev
Aug 10, 2017·Chemical Communications : Chem Comm·James D CopeT Keith Hollis
Mar 23, 2021·ACS Applied Materials & Interfaces·Caroline E ReillyLeila Alibabaei
Nov 21, 2018·The Journal of Organic Chemistry·Aline A N de SouzaKleber T de Oliveira
Jan 22, 2020·ACS Applied Materials & Interfaces·Deepak BadgurjarThomas J Meyer

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