Title

Tuning the Equilibrium Response Time of Meta-Stable Photoacids in Ion-Sensors by Appropriate Functionalization

Authors

Authors

P. K. Patel; V. K. Johns; D. M. Mills; J. E. Boone; P. Calvo-Marzal;K. Y. Chumbimuni-Torres

Comments

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Abbreviated Journal Title

Electroanalysis

Keywords

Ion-sensors; Meta-stable photoacids; Substituent effects; SELECTIVE OPTICAL SENSOR; BULK OPTODES; CALCIUM; ELECTRODES; IONOPHORES; SPIROPYRAN; MEMBRANES; SYSTEMS; Chemistry, Analytical; Electrochemistry

Abstract

Herein, we present different functionalized meta-stable photoacids in ion-sensors to tune the equilibrium response time. As a proof of concept, two new meta-stable photoacids were synthesized, one contains an ether group and the other has an ester functional group. These functionalized meta-stable photoacids were elucidated in solution of ethanol and in ion-sensing films via pH and kinetic studies. In comparison from our previous work, the response time was reduced from hours to minutes by utilizing an ether functional group in the meta-stable photoacid.

Journal Title

Electroanalysis

Volume

27

Issue/Number

3

Publication Date

1-1-2015

Document Type

Article

Language

English

First Page

677

Last Page

683

WOS Identifier

WOS:000351231900018

ISSN

1040-0397

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