18 August 2005 Photochromic organic microcrystals jump under light irradiation
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We report on strong photomechanical effects that we have observed with photochromic diarylethene microcrystals. Clear single crystals become colored under UV irradiation, then they jump when the absorbed energy reaches about 10 μJ. A simple model shows that the elastic energy accumulated during the photoreaction is enough to produce the kinetic energy.
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Patrice L. Baldeck, Patrice L. Baldeck, Isabelle Colombier, Isabelle Colombier, Sylvie Spagnoli, Sylvie Spagnoli, M. Giraud, M. Giraud, A. Léaustic, A. Léaustic, P. Yu, P. Yu, "Photochromic organic microcrystals jump under light irradiation", Proc. SPIE 5935, Linear and Nonlinear Optics of Organic Materials V, 59350U (18 August 2005); doi: 10.1117/12.616410; https://doi.org/10.1117/12.616410

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