| Budget Amount *help |
¥64,480,000 (Direct Cost: ¥49,600,000、Indirect Cost: ¥14,880,000)
Fiscal Year 2013: ¥14,170,000 (Direct Cost: ¥10,900,000、Indirect Cost: ¥3,270,000)
Fiscal Year 2012: ¥14,170,000 (Direct Cost: ¥10,900,000、Indirect Cost: ¥3,270,000)
Fiscal Year 2011: ¥14,170,000 (Direct Cost: ¥10,900,000、Indirect Cost: ¥3,270,000)
Fiscal Year 2010: ¥14,170,000 (Direct Cost: ¥10,900,000、Indirect Cost: ¥3,270,000)
Fiscal Year 2009: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
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| Research Abstract |
We investigated the reaction field induced by liquid-phase laser ablation, which was treated as a method for producing a multiphase plasma consisting of solid (the target), liquid (the ambient liquid), gas (the cavitation bubble), and supercritical fluid (the ablation plasma). We focused on the growth processes of nanoparticles in liquid-phase laser ablation. We have found that atomic and molecular species ejected into the liquid are transported toward the inside of the cavitation bubble, and the growth of nanoparticles occurs inside the cavitation bubble. We have shown that the structure of nanoparticles is affected by the control of the dynamics of the cavitation bubble. Regarding application sides, we synthesized brookite-type titania and submicron-size spherical particles by laser irradiation in liquids.
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