| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2016: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2015: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2014: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000)
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| Outline of Final Research Achievements |
A new device to electrochemically generate micro/nanobubbles has been developed with utilizing vertical aligned carbon nanotubes (CNTs) as the electrode. CNT-resin composite film electrode with unique surface, where CNT tips slightly protruded from the resin, was fubricated. This electrode revealed the controlled generation of isolated nanobubbles at specific address by water electrolysis, which will be an invaluable tool for investigating detailed fundamental information regarding the size-derived characteristics of nanobubbles. Actually, growth and shrinking of single nanobubble was investigated by atomic force microscopy, which enabled to visualize realtime pinning-depinning process of contact line and obtain experimental values of size-dependent pinning force. In addition, patterning of CNTs by photolithography technique was used for controlled generation of microbubbles. Cavity-patterned CNTs successfully generated and trap uniform-sized microbubbles in individual cavities.
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