Issue 46, 2015

A light/pH/multiple ion-driven smart switchable module for computing sequential logic operations via a resettable dual-optical readout

Abstract

A switchable module comprising pendant pyridine groups, an amide linkage and a photoswitchable functionality (azobenzene) has been designed and characterized via a full battery of physico-chemical techniques. The module has been exploited for ternary/binary data storage with non-destructive optical identity owing to its high photo-stability, excellent reversibility, and chemical-/photo-switchability. Moreover the module exhibits sequential logic gate-based detection of multiple ions (Cu2+, CN, F and I) at ppm levels via a “turn on” signature which potentially meets real-world challenges in terms of the simple synthesis route, rapid response, water based activity, naked-eye visualization, regenerative action, high selectivity and multiple readout for precise analysis.

Graphical abstract: A light/pH/multiple ion-driven smart switchable module for computing sequential logic operations via a resettable dual-optical readout

Supplementary files

Article information

Article type
Paper
Submitted
29 Aug 2015
Accepted
04 Nov 2015
First published
04 Nov 2015

J. Mater. Chem. C, 2015,3, 12123-12129

Author version available

A light/pH/multiple ion-driven smart switchable module for computing sequential logic operations via a resettable dual-optical readout

A. K. Singh, P. K. Yadav, N. Kumari, R. Nagarajan and L. Mishra, J. Mater. Chem. C, 2015, 3, 12123 DOI: 10.1039/C5TC02698A

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