Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission

[Image: see text] We report the photophysical properties of a synthetic asymmetric azine-based compound (17Z,18E)-4′-((E)-3-phenylallylidene)-1′-(dimethylamino)-1-((pyren-8-yl)methylene)hydrazine (PYNC). The molecule PYNC shows an appreciable red shift in the emission maximum in a wide range of solv...

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Autores principales: Bhattacharyya, Arghyadeep, Makhal, Subhash Chandra, Guchhait, Nikhil
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2019
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6648816/
https://www.ncbi.nlm.nih.gov/pubmed/31459464
http://dx.doi.org/10.1021/acsomega.8b02717
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author Bhattacharyya, Arghyadeep
Makhal, Subhash Chandra
Guchhait, Nikhil
author_facet Bhattacharyya, Arghyadeep
Makhal, Subhash Chandra
Guchhait, Nikhil
author_sort Bhattacharyya, Arghyadeep
collection PubMed
description [Image: see text] We report the photophysical properties of a synthetic asymmetric azine-based compound (17Z,18E)-4′-((E)-3-phenylallylidene)-1′-(dimethylamino)-1-((pyren-8-yl)methylene)hydrazine (PYNC). The molecule PYNC shows an appreciable red shift in the emission maximum in a wide range of solvents. In water, PYNC shows the characteristic feature of excimer formation exclusively. However, in all other solvents, the excimer band is present alongside the charge transfer emission band. The assignment of charge transfer and excimer bands has been established by various steady-state emission spectral data. PYNC, owing to this novel excimer-coupled charge transfer phenomenon, can be a potential probe for studying various supramolecular assemblies of biological interest.
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spelling pubmed-66488162019-08-27 Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission Bhattacharyya, Arghyadeep Makhal, Subhash Chandra Guchhait, Nikhil ACS Omega [Image: see text] We report the photophysical properties of a synthetic asymmetric azine-based compound (17Z,18E)-4′-((E)-3-phenylallylidene)-1′-(dimethylamino)-1-((pyren-8-yl)methylene)hydrazine (PYNC). The molecule PYNC shows an appreciable red shift in the emission maximum in a wide range of solvents. In water, PYNC shows the characteristic feature of excimer formation exclusively. However, in all other solvents, the excimer band is present alongside the charge transfer emission band. The assignment of charge transfer and excimer bands has been established by various steady-state emission spectral data. PYNC, owing to this novel excimer-coupled charge transfer phenomenon, can be a potential probe for studying various supramolecular assemblies of biological interest. American Chemical Society 2019-01-29 /pmc/articles/PMC6648816/ /pubmed/31459464 http://dx.doi.org/10.1021/acsomega.8b02717 Text en Copyright © 2019 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
spellingShingle Bhattacharyya, Arghyadeep
Makhal, Subhash Chandra
Guchhait, Nikhil
Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission
title Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission
title_full Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission
title_fullStr Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission
title_full_unstemmed Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission
title_short Photophysical Properties of an Azine-Linked Pyrene–Cinnamaldehyde Hybrid: Evidence of Solvent-Dependent Charge-Transfer-Coupled Excimer Emission
title_sort photophysical properties of an azine-linked pyrene–cinnamaldehyde hybrid: evidence of solvent-dependent charge-transfer-coupled excimer emission
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6648816/
https://www.ncbi.nlm.nih.gov/pubmed/31459464
http://dx.doi.org/10.1021/acsomega.8b02717
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AT makhalsubhashchandra photophysicalpropertiesofanazinelinkedpyrenecinnamaldehydehybridevidenceofsolventdependentchargetransfercoupledexcimeremission
AT guchhaitnikhil photophysicalpropertiesofanazinelinkedpyrenecinnamaldehydehybridevidenceofsolventdependentchargetransfercoupledexcimeremission

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