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Title: | Achiral bent-core liquid crystals with azo and azoxy linkages: structural and nonlinear optical properties and photoisomerization |
Authors: | Folcia, César L.; Alonso, Ibon; Ortega, Josu; Etxebarria, Jesús; Pintre, Inmaculada C.; Ros, M. Blanca |
Issue Date: | 26-Aug-2006 |
Publisher: | American Chemical Society |
Citation: | Chemistry of Materials 18(19): 4617–4626 (2006) |
Abstract: | We present a structural study of the mesophases of three achiral bent-core compounds with azo and azoxy bonds. The study is based on textures observation and small-angle X-ray diffraction. It is found that the materials exhibit columnar and tilted smectic mesophases. Optical second-harmonic generation measurements are performed on aligned samples of one of the compounds, and the whole second-order susceptibility tensor is determined. Finally, some simple aspects of the photoisomerization of the materials are examined. |
Description: | 10 pages, 13 figures, 1 scheme. |
Publisher version (URL): | http://dx.doi.org/10.1021/cm060256p |
URI: | http://hdl.handle.net/10261/19554 |
DOI: | 10.1021/cm060256p |
ISSN: | 0002-7863 |
Appears in Collections: | (ICMA) Artículos |
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