Second order nonlinear optical properties of multifunctional chiral azobenzene polymers

被引：0

作者：

Angiolini, Luigi ^{[1
,2
]}

Benelli, Tiziana ^{[1
,2
]}

Bozio, Renato ^{[3
,4
]}

Cozzuol, Matteo ^{[3
,4
]}

Giorgini, Loris ^{[1
,2
]}

Pedron, Danilo ^{[3
,4
]}

Salatelli, Elisabetta ^{[1
,2
]}

机构：

[1] Univ Bologna, Dipartimento Chim Ind & Mat, I-40136 Bologna, Italy

[2] Univ Bologna, INSTM UdR Bologna, I-40136 Bologna, Italy

[3] Univ Padua, Dipartimento Sci Chim, I-35131 Padua, Italy

[4] Univ Padua, INSTM UdR Padova, I-35131 Padua, Italy

来源：

E-POLYMERS | 2008年

关键词：

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Corona poling behaviours of optically active photochromic copolymers derived from methyl methacrylate (MMA) and the methacrylic ester of (S)-3-hydroxy pyrrolidine linked through the nitrogen atom to the highly conjugated photochromic 4'-(beta-cyano-beta-(methylsulfonyl)vinyl)-4-azobenzene moiety, have been investigated with the aim to evaluate the effect on the non-linear optical (NLO) properties originated by the presence of inactive side-chain MMA groups along the main chain. The NLO properties of in situ corona poled polymeric films have been studied by second harmonic generation (SHG) measurements. The d(33) values of the investigated polymers were determined to be in the range 10-86 pm/V after corona poling. The temporal and thermal stability of the optimal SHG signals obtained after corona poling process of all the macromolecular materials has been investigated and compared. The results indicate that the maximum of these properties can be obtained at a molar content of photochromic units around 20-40%.

引用

页数：18

共 49 条

[1] Chiral methacrylic polymers containing permanent dipole azobenzene chromophores. C-13 NMR spectra and photochromic properties [J].