引用本文:
韩奎, 徐永生, 马世红, 王国益, 罗龙根, 陆兴泽. 半花菁LB多层膜的光学非线性各向异性研究[J]. 物理化学学报,
1996, 12(07): 589-593.
doi:
10.3866/PKU.WHXB19960703
Citation: Han Kui, Xu Yong-Sheng, Ma Shi-Hong, Wang Guo-Yi, Luo Long-Gen, Lu Xing-Ze. Studies on Optical Nonlinear Anisotropy in Hemicyanine LB Multilayers[J]. Acta Physico-Chimica Sinica, 1996, 12(07): 589-593. doi: 10.3866/PKU.WHXB19960703
Citation: Han Kui, Xu Yong-Sheng, Ma Shi-Hong, Wang Guo-Yi, Luo Long-Gen, Lu Xing-Ze. Studies on Optical Nonlinear Anisotropy in Hemicyanine LB Multilayers[J]. Acta Physico-Chimica Sinica, 1996, 12(07): 589-593. doi: 10.3866/PKU.WHXB19960703
半花菁LB多层膜的光学非线性各向异性研究
摘要:
用偏振紫外-可见吸收及旋转样品二次谐波（SHG）测量法研究了半花菁／花生酸Y型交替多层膜中分子在基极平面内分布的各向异性．拉膜过程引发的半花菁分子在平面内沿提拉方向的规则取向具有镜面对称性，并随着拉膜速度或层数的增大而增强．
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关键词:
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Langmuir-Blodgett多层膜
- / 二次接谐波产生
- / 各向异性
- / 半花菁
English
Studies on Optical Nonlinear Anisotropy in Hemicyanine LB Multilayers
Abstract:
Polarized UV-Visible absorption and rotation-angle second harmonic generation (SHG) techniques were used to investigate the in-plane symmetry in Y-type Langmuir-Blodgett(LB) multilayers of a hemicyanine dye interleaved with inert material arachidic acid. Dipping-induced anisotropy of the molecular orientation with a unique reflection symmetry was enhanced with increasing the dipping speed.
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Key words:
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Langmuir-Blodgett multilayer
- / Second harmonic generation
- / Anisotropy
- / Hemicyanine
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