Increase in the Two-Photon Absorption Cross Section of Styryl Dye in Supramolecular Complexes with Cucurbiturils

被引：0
|
作者：
Petrov, N. Kh. [1 ,2 ]
Ivanov, A. A. [1 ,3 ]
Ivanov, D. A. [1 ]
Fedotov, A. B. [3 ]
Lanin, A. A. [3 ]
Chebotarev, A. S. [3 ]
机构：
[1] Russian Acad Sci, Photochem Ctr, Fed Res Ctr Crystallog & Photon, Moscow 119421, Russia
[2] Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Moscow Oblast, Russia
[3] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
来源：
HIGH ENERGY CHEMISTRY | 2024年 / 58卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
two-photon absorption; styryl dyes; cucurbiturils; inclusion complexes; FLUORESCENT PROTEINS; OPPORTUNITIES;
D O I：
10.1134/S0018143924700140
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：302 / 305
页数：4
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