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Oleksandr S. Bushuyev, Thomas A. Singleton and Christopher J. Barrett Fast, Reversible, and General Photomechanical Motion in Single Crystals of Various Azo Compounds Using Visible Light Advanced Materials 25

Version of Record online: 18 JAN 2013 | DOI: 10.1002/adma.201204831

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Pseudostilbene-type single crystals exhibit ubiquitous, fast, and reversible photomechanical motion under visible-light irradiation. Push-pull substituents impart extremely rapid switching using just one wavelength of light by shortening the lifetime of the cis-form. This results in a bending motion in the microsecond regime. The influence of crystal density, thickness, and molecular orientation on optimization of the photomechanical effect is investigated.

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