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- Title
Increase in the Two-Photon Absorption Cross Section of Styryl Dye in Supramolecular Complexes with Cucurbiturils.
- Authors
Petrov, N. Kh.; Ivanov, A. A.; Ivanov, D. A.; Fedotov, A. B.; Lanin, A. A.; Chebotarev, A. S.
- Abstract
Using fluorescence spectroscopy, the two-photon absorption cross sections of aqueous solutions of the styryl dye trans-4-[4-(dimethylamino)styryl]-1-methylpyridinium iodide (DASPI) and its inclusion complexes with cucurbit[n]urils (CB[n] n = 6–8) have been measured. A nonmonotonic dependence of the cross section on the excitation wavelength and on the cavitand cavity size has been revealed. Compared to the free dye, a sevenfold increase in the two-photon absorption cross section has been observed in DASPI inclusion complexes with CB[8] at an excitation wavelength of 980 nm.
- Subjects
ABSORPTION cross sections; CUCURBITURIL; INCLUSION compounds; FLUORESCENCE spectroscopy; DYES &; dyeing; AQUEOUS solutions
- Publication
High Energy Chemistry, 2024, Vol 58, Issue 3, p302
- ISSN
0018-1439
- Publication type
Article
- DOI
10.1134/S0018143924700140