Abstract
Using a photodeformable polymer material, liquid-crystalline polymer incorporated with azobenzene moieties, a spoke-type micromotor is designed, which could convert light energy directly into mechanical work. It consists of four driving belts, whose mechanical model is established and the driving moment of the micromotor upon irradiation with UV light and without photoirradiation is calculated, respectively. According to the calculated driving moment, the UV light and the visible light are arranged to irradiate from parallel and opposite direction of the micromotor simultaneously, which convert the bending deflection of the photodeformable polymer material belts to continuous rotation of the micromotor. As light is a green energy source that can be controlled remotely, instantly and without the aid of electric wires, the photodeformable polymer material has great potential to be utilized in micro-actuator and other relative applications.
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This research has been funded by 863 National High Technology Research and Development Program of China under Grant No. 2007AA03z105, Shanghai Natural Science Foundation under Grant No. 09ZR1434200.
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Zhu, Y., Zheng, L., Liu, Z. et al. Photodeformable polymer materials: towards light-driven spoke-type micromotor application. Appl. Phys. A 115, 1167–1172 (2014). https://doi.org/10.1007/s00339-013-8066-8
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DOI: https://doi.org/10.1007/s00339-013-8066-8