Fabrication and nonlinear optical properties of polymeric thin films doped with a novel tricyanofuran chromophore

被引：11
|
作者：
Han, Likun [1 ]
Jiang, Yadong [1 ]
Li, Wei [1 ]
Li, Yuanxun [1 ]
Liao, Jinkun [2 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 10-11期
关键词：
optical materials and properties; chromophore; synthesis; thermal properties; second harmonic generation;
D O I：
10.1016/j.matlet.2007.09.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel second-order nonlinear optical chromophore (DCDHF-2-V) containing a tricyanofuran acceptor, was synthesized by a two-step reaction and characterized by elemental analysis, H-1 NMR, FT-IR and thermal analysis, respectively. Spin-coated films of poly methyl methacrylate (PMMA) doped with DCDHF-2-V were fabricated and their poling behaviors were studied by UV-visible absorption spectra and atom force microscopy (AFM). The second-order nonlinear coefficient d(33) was taken from the second hamonic generation (SHG) experimental setup and thereby the calculated value was 15.2 pm/V at the wavelength of 1064 nm. The relation between the second-order nonlinear coefficients d(33) and d(13) for the poled polymer film was also discussed in detail. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码：1495 / 1498
页数：4
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