Photomechanics: Directed bending of a polymer film by light Export

@article{citeulike:6073482, abstract = {Polymer solutions and solids that contain light-sensitive molecules can undergo photo-contraction, whereby light energy is converted into mechanical energy1, 2, 3, 4, 5, 6, 7, 8. Here we show that a single film of a liquid-crystal network containing an azobenzene chromophore can be repeatedly and precisely bent along any chosen direction by using linearly polarized light. This striking photomechanical effect results from a photoselective volume contraction and may be useful in the development of high-speed actuators for microscale or nanoscale applications, for example in microrobots in medicine or optical microtweezers.}, author = {Yu, Yanlei and Nakano, Makoto and Ikeda, Tomiki}, citeulike-article-id = {6073482}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/425145a}, citeulike-linkout-1 = {http://dx.doi.org/10.1038/425145a}, day = {11}, doi = {10.1038/425145a}, issn = {0028-0836}, journal = {Nature}, keywords = {application, azo, light-switching}, month = {September}, number = {6954}, pages = {145}, posted-at = {2009-11-05 10:30:49}, priority = {2}, publisher = {Nature Publishing Group}, title = {Photomechanics: Directed bending of a polymer film by light}, url = {http://dx.doi.org/10.1038/425145a}, volume = {425}, year = {2003} }

TY - JOUR ID - citeulike:6073482 L3 - citeulike-article-id:6073482 N2 - Polymer solutions and solids that contain light-sensitive molecules can undergo photo-contraction, whereby light energy is converted into mechanical energy1, 2, 3, 4, 5, 6, 7, 8. Here we show that a single film of a liquid-crystal network containing an azobenzene chromophore can be repeatedly and precisely bent along any chosen direction by using linearly polarized light. This striking photomechanical effect results from a photoselective volume contraction and may be useful in the development of high-speed actuators for microscale or nanoscale applications, for example in microrobots in medicine or optical microtweezers. IS - 6954 JF - Nature SN - 0028-0836 EP - 145 TI - Photomechanics: Directed bending of a polymer film by light PB - Nature Publishing Group VL - 425 SP - 145 KW - application KW - azo KW - light-switching AU - Yu, Yanlei AU - Nakano, Makoto AU - Ikeda, Tomiki PY - 2003/09/11/ UR - http://dx.doi.org/10.1038/425145a ER -