New cyanopyridone-based unsymmetrical dyads: the effect of donor strength on their optoelectronic properties†

Vinayakumara, D.R.; Kesavan, Rajalakshmi; Kumar, Sandeep; Adhikari, A.V.

Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/7297

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DC Field	Value	Language
dc.contributor.author	Vinayakumara, D.R.	-
dc.contributor.author	Kesavan, Rajalakshmi	-
dc.contributor.author	Kumar, Sandeep	-
dc.contributor.author	Adhikari, A.V.	-
dc.date.accessioned	2019-09-23T19:10:43Z	-
dc.date.available	2019-09-23T19:10:43Z	-
dc.date.issued	2019-08-01	-
dc.identifier.citation	Photochemical & Photobiological Sciences,2019, Vol.18, p2052–2060	en_US
dc.identifier.issn	1474-905X	-
dc.identifier.issn	1474-9092	-
dc.identifier.uri	http://hdl.handle.net/2289/7297	-
dc.description	Restricted Access.	en_US
dc.description.abstract	Herein, we describe the design, synthesis and optoelectronic characterization of a new series of highly fluorescent dyes configured with a D-A-D' architecture, viz. CP1 to CP7. In the new molecular design, various electron-donating scaffolds were integrated with an efficient electron-accepting trialkoxyphenyl substituted cyanopyridone moiety to study the effect of donor strength on their thermal and opto-physical properties. A detailed investigation of their thermal properties reveals that they are thermally robust with high melting and decomposition temperatures. Furthermore, in-depth photophysical studies expose their remarkable fluorescence ability in both solution and aggregated state within a wide spectral range from blue to orange. Evidently, among all the fluorophores, dyads bearing amino donors were found to be highly intense emitters due to their superior donating strength. Furthermore, solvatochromic studies showcase their ICT-dominated optoelectronic properties and it was confirmed by different correlation studies. Finally, the experimental results were correlated with their quantum chemical simulation data.	en_US
dc.language.iso	en	en_US
dc.publisher	The Royal Society of Chemistry	en_US
dc.relation.uri	https://doi.org/10.1039/C9PP00046A	en_US
dc.rights	2019 The Royal Society of Chemistry and Owner Societies	en_US
dc.title	New cyanopyridone-based unsymmetrical dyads: the effect of donor strength on their optoelectronic properties†	en_US
dc.type	Article	en_US
Appears in Collections:	Research Papers (SCM)

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