| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
To realize remote-controllable microrobots and micromachines, we have developed multi-wavelength selective response soft actuators having rare earth photothermal conversion materials in temperature-sensitive polymer gels. Neodymium with absorption at 808 nm and ytterbium with absorption at 980 nm were used. The rare earths were introduced in the gels as oxide nanoparticles or rare earth complexes. The temperature-sensitive polymer gel was molded by mask exposure in home-made glass cells. By forming gel rods with a width of 0.1 mm and a length of several mm, we succeeded in different locomotion depending on the wavelength of the irradiated near-infrared light.
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