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Micromachines 2013, 4(2), 128-137; doi:10.3390/mi4020128
Article

Photomechanical Bending of Azobenzene-Based Photochromic Molecular Fibers

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Received: 31 December 2012; in revised form: 28 January 2013 / Accepted: 1 March 2013 / Published: 27 March 2013
(This article belongs to the Special Issue Glass Micromachining and Applications of Glass)
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Abstract: Microfibers composed of azobenzene-based photochromic amorphous molecular materials, namely low molecular-mass photochromic materials with a glass-forming property, could be fabricated. These fibers were found to exhibit mechanical bending motion upon irradiation with a laser beam. In addition, the bending direction could be controlled by altering the polarization direction of the irradiated light without changing the position of the light source or the wavelength of the light. In-situ fluorescence observation of mass transport induced at the surface of the fiber doped with CdSe quantum dots suggested that the bending motions were related with the photoinduced mass transport taking place near the irradiated surface of the fiber.
Keywords: photomechanical effect; photochromic molecular fiber; azobenzene; photoinduced mass transport; bending motion; CdSe quantum dot photomechanical effect; photochromic molecular fiber; azobenzene; photoinduced mass transport; bending motion; CdSe quantum dot
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Nakano, H.; Ichikawa, R.; Matsui, R. Photomechanical Bending of Azobenzene-Based Photochromic Molecular Fibers. Micromachines 2013, 4, 128-137.

AMA Style

Nakano H, Ichikawa R, Matsui R. Photomechanical Bending of Azobenzene-Based Photochromic Molecular Fibers. Micromachines. 2013; 4(2):128-137.

Chicago/Turabian Style

Nakano, Hideyuki; Ichikawa, Ryoji; Matsui, Riku. 2013. "Photomechanical Bending of Azobenzene-Based Photochromic Molecular Fibers." Micromachines 4, no. 2: 128-137.


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