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Nwaji N., Somila D.♦, John M.♦, Tebello N.♦, Phototophysical and enhanced nonlinear optical response in asymetric benzothiazole substituted phthalocyanine covalently linked to semiconductor quantum dots,
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, ISSN: 1386-1425, DOI: 10.1016/j.saa.2018.06.098, Vol.204, pp.629-639, 2018 Streszczenie:
The synthesis of asymmetric benzothiazole substituted phthalocyanines (complexes 3 to 5) and their covalent
attachment to glutathione (GSH) functionalized quantum dots (QDs) are reported in this work. Additionally,
their photophysical and nonlinear optical properties were investigated. A decrease in the fluorescence quantum
yield with corresponding increase in the triplet quantum yield was observed when the complexes were covalently
linked to glutathione (GSH) functionalized cadmiumtelluride (CdTe) quantumdots. Reverse saturable absorptionwas
found to be predominantly dominated by excited state absorption. The observed limiting threshold
values range from 0.29–0.75 J/cm2. Afiliacje autorów:
| Nwaji N. | - | IPPT PAN | | Somila D. | - | inna afiliacja | | John M. | - | inna afiliacja | | Tebello N. | - | inna afiliacja |
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