Linear and nonlinear optical properties of merocyanines derivatives of malonodinytriles

被引：1

作者：

Gayvoronsky, V. Ya. ^{[1
]}

Uklein, A. V. ^{[1
]}

Slominsky, Yu. L. ^{[2
]}

Prostota, Ya. A. ^{[3
]}

Kachkovsky, O. D. ^{[2
]}

Shkurinov, A. P. ^{[4
,5
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Phys, UA-03680 Kiev, Ukraine

[2] Natl Acad Sci Ukraine, Inst Organ Chem, UA-03094 Kiev, Ukraine

[3] Univ Tras Os Montes & Alto Douro, CQVR, P-5001801 Vila Real, Portugal

[4] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia

[5] Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119991, Russia

来源：

PHYSICS OF WAVE PHENOMENA | 2014年 / 22卷 / 04期

关键词：

ABSORPTION; SPECTRA;

D O I：

10.3103/S1541308X14040062

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A detailed complex study of the series of neutral merocyanine derivatives of malonodinytriles with variable donor terminal groups and with the same acceptor group is carried out. The absorption spectra and nonlinear optical (NLO) characteristics are measured. It is shown that the long-wavelength absorption band is highly sensitive to the donor strength of the variable residue terminal group. The distinct dependence of the state dipole moments and characteristics of the electron transitions on the chemical constitution of merocyanine molecules was confirmed by quantum-chemical calculations. An analysis of the obtained results shows that the change in the electron characteristics of the ground and excited states due to variations in the chemical constitution of merocyanine molecules is accompanied by sensible variations in the NLO response. With allowance for the calculation, the effect of molecular topology on the experimental linear and NLO characteristics could be correctly interpreted.

引用

页码：240 / 251

页数：12

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