Synthesis and nonlinear optical properties of donor-acceptor dyes based on triphenylpyrazolines as a donor block and dicyanoisophorone as acceptor

被引：8

作者：

Shelkovnikov, V. V. ^{[1
,2
]}

Kargapolova, I. Yu ^{[1
]}

Orlova, N. A. ^{[1
]}

Korotaev, S., V ^{[1
]}

Simanchuk, A. E. ^{[1
,3
]}

Mikerin, S. L. ^{[1
,3
]}

机构：

[1] Russian Acad Sci, NN Vorozhtsov Novosibirsk Inst Organ Chem, Siberian Branch, 9 Prosp Akad Lavrenteva, Novosibirsk 630090, Russia

[2] Novosibirsk State Tech Univ, 20 Prosp Marksa, Novosibirsk 630073, Russia

[3] Russian Acad Sci, Siberian Branch, Inst Automat & Electrometry, 1 Prosp Akad Koptyuga, Novosibirsk 630090, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2019年 / 68卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

donor-acceptor dyes; polyfluoro-substituted triarylpyrazolines; dicyanoisophorone; luminescence; Stokes shift; second-order nonlinear optical properties; HYPERPOLARIZABILITY; CHROMOPHORE; RANGE; FILMS; ORDER;

D O I：

10.1007/s11172-019-2421-7

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of donor-acceptor dyes based on polyfluoro-substituted triarylpyrazolines (as a donor block) and a dicyanoisophorone group (as an acceptor) were synthesized using the Knoevenagel condensation. The dyes have an absorption in the region of 509-514 nm and intense luminescence at 648-663 nm in chloroform with a large Stokes shift (up to 4410 cm(-1)). Based on the synthesized dyes, chromophore-polymer (guest-host) films were obtained in a polycarbonate matrix with a chromophore content up to 27 wt.%. Poling of chromophore-polymer films was carried out in an electric field of a corona discharge and the coefficient of nonlinear optical response d(33) was measured by the second-harmonic generation method of the fundamental frequency of a Nd-YAG laser (1064 nm). The obtained films have a high initial thermal stability and a nonlinear optical response up to 80 pm V-1, which persists up to 115 degrees C.

引用

页码：92 / 98

页数：7

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