Organic crystals for second harmonic generation switching based on anil photochromes |
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| Authors: | Michel Sliwa Arnaud Spangenberg Rémi Métivier Sylvie Létard Keitaro Nakatani Pei Yu |
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| Affiliation: | 1. Laboratoire de Photophysique et de Photochimie Supramoléculaires et Macromoléculaires (PPSM, CNRS UMR8531), Institut d’Alembert, Ecole Normale Supérieure de Cachan, 61 avenue du Président Wilson, 94235, Cachan Cedex, France
3. Laboratoire de Chimie Inorganique, Institut de Chimie Moléculaire et des Matériaux d’Orsay (CNRS UMR8182), Université Paris-Sud, 91405, Orsay Cedex, France
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| Abstract: | In photochromic materials, we demonstrated that non-linear optical (NLO) properties such as second harmonic generation (SHG) can be switched reversibly by alternate UV and visible irradiations. We report here on the design of materials fulfilling the prerequisites for SHG activity (push-pull and acentric space group) and photochromic properties. Photochromic and NLO properties of a series of anils are presented, along with the ability of some of them to switch SHG. |
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