Mueller Matrix Polarimetry on Cyanine Dye J-Aggregates-Reference-Cited by-同舟云学术

Mueller Matrix Polarimetry on Cyanine Dye J-Aggregates

Published:2023-02-04 Issue:4 Volume:28 Page:1523
ISSN:1420-3049
Container-title:Molecules
language:en
Short-container-title:Molecules

Author:

Clowes Samuel R.¹^ORCID,Răsădean Dora M.¹^ORCID,Gianga Tiberiu-M.²^ORCID,Jávorfi Tamás²^ORCID,Hussain Rohanah²,Siligardi Giuliano²^ORCID,Pantoş G. Dan¹^ORCID

Affiliation:

1. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK

2. B23 Beamline, Diamond Light Source, Didcot OX11 0DE, UK

Abstract

Cyanine dyes are known to form H- and J-aggregates in aqueous solutions. Here we show that the cyanine dye, S0271, assembles in water into vortex induced chiral J-aggregates. The chirality of the J-aggregates depends on the directionality of the vortex. This study utilised both conventional benchtop CD spectropolarimeters and Mueller matrix polarimetry. It was found that J-aggregates have real chirality alongside linear dichroism and linear and circular birefringence. We identify the factors that are key to the formation of metastable chiral J-aggregates and propose a mechanism for their assembly.

Funder

Engineering and Physical Sciences Research Council

Publisher

MDPI AG

Subject

Chemistry (miscellaneous),Analytical Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Molecular Medicine,Drug Discovery,Pharmaceutical Science

Link

https://www.mdpi.com/1420-3049/28/4/1523/pdf

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