Issue 23, 2015
From the journal:

Chemical Communications

Decoloration rates of a photomerocyanine dye as a visual probe into hydrogen bonding interactions†

Simone Ciampi,*a   Paul K. Eggers,b   Naomi L. Haworth,*c   Nadim Darwish,d   Pawel Wagner,a   Michelle L. Coote,*c   Gordon G. Wallacea  and  Colin L. Rastonb  

* Corresponding authors

a ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Wollongong, Australia
E-mail: sciampi@uow.edu.au

b School of Chemistry and Physical Sciences, Flinders University, Bedford Park, Australia

c ARC Centre of Excellence for Electromaterials Science, Research School of Chemistry, Australian National University, Canberra, Australia
E-mail: michelle.coote@anu.edu.au, naomi.haworth@anu.edu.au

d Departament de Química Física, Universitat de Barcelona, Diagonal 645, Barcelona 08028, Spain

Abstract

We have developed a visual marker for the investigation of hydrogen bonding (HB) effects. The decoloration rate of a photochromic dye that incorporates a latent intra-molecular HB feature can be linked to the HB character of the media. Kinetic and thermodynamic parameters of this simple decoloration approach for HB sensing are investigated both experimentally and by high level theoretical studies. This principle has been applied for the detection of changes in the HB character of stationary and fluidic systems. A major finding is the observation of a shear-related perturbation of the balance between intra- and inter-molecular HB within a dynamic thin film.

Graphical abstract: Decoloration rates of a photomerocyanine dye as a visual probe into hydrogen bonding interactions

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Article information

DOI
https://doi.org/10.1039/C4CC09857A
Article type
Communication
Submitted
10 Dec 2014
Accepted
09 Feb 2015
First published
10 Feb 2015

Chem. Commun., 2015,51, 4815-4818

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Decoloration rates of a photomerocyanine dye as a visual probe into hydrogen bonding interactions

S. Ciampi, P. K. Eggers, N. L. Haworth, N. Darwish, P. Wagner, M. L. Coote, G. G. Wallace and C. L. Raston, Chem. Commun., 2015, 51, 4815 DOI: 10.1039/C4CC09857A

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