<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Spectroscopic studies of the fluorescence emission of selected 1,3,4-thiadiazoles in organic solvents and an aqueous solution were carried out. An interesting effect of pH-induced dual fluorescence was observed in the aqueous solution. The use of organic solvents resulted either in a single fluorescence maximum, double fluorescence (two well-resolved emission bands), or the dual fluorescence effect. The results obtained suggest that the fluorescence emission effects in 1,3,4-thiadiazoles are associated with both the conformational isomerism and the chromophore aggregation phenomena.</p></abstract>

Spectroscopic studies of the fluorescence emission of selected 1,3,4-thiadiazoles in organic solvents and an aqueous solution were carried out. An interesting effect of pH-induced dual fluorescence was observed in the aqueous solution. The use of organic solvents resulted either in a single fluorescence maximum, double fluorescence (two well-resolved emission bands), or the dual fluorescence effect. The results obtained suggest that the fluorescence emission effects in 1,3,4-thiadiazoles are associated with both the conformational isomerism and the chromophore aggregation phenomena.

Spectroscopic studies of dual fluorescence effects in a selected 1,3,4-thiadiazole derivative in organic solvents and aqueous solutions

Department of Analytical Chemistry, Faculty of Chemical Engineering and Technology

Department of Cell Biology, Institute of Biology

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Spectroscopic studies of the fluorescence emission of selected 1,3,4-thiadiazoles in organic solvents and an aqueous solution were carried out. An interesting...

Spectroscopic studies of dual fluorescence effects in a selected 1,3,4-thiadiazole derivative in organic solvents and aqueous solutions

Publié en ligne: 23 mai 2020

Pages: 47 - 61

DOI: https://doi.org/10.4467/2353737XCT.17.031.6342

Mots clés
double fluorescence, dual fluorescence effect, molecular spectroscopy, chromophore aggregation, 1,3,4-thiadiazole, charge transfer (CT)

© 2018 Arkadiusz Matwijczuk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Spectroscopic studies of dual fluorescence effects in a selected 1,3,4-thiadiazole derivative in organic solvents and aqueous solutions

Publié en ligne: 23 mai 2020

Pages: 47 - 61

DOI: https://doi.org/10.4467/2353737XCT.17.031.6342

Mots clésdouble fluorescence, dual fluorescence effect, molecular spectroscopy, chromophore aggregation, 1,3,4-thiadiazole, charge transfer (CT)

© 2018 Arkadiusz Matwijczuk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Mots clés
double fluorescence, dual fluorescence effect, molecular spectroscopy, chromophore aggregation, 1,3,4-thiadiazole, charge transfer (CT)