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Outline and Features
Generation system of nanosuspension using laser
Nanosuspension System
The system is possible to generate nanosuspension and re-disperse its aggregation easily.
NP-01
(CLICK: Zoom In/Out)Nanosuspension system NP series
The system is possible to generate nanosuspension consist of homogeneous nanoparticles from the surface of original materials by irradiating laser to micro-ordered particles or balk materials in poor solvent.
The nanoparticles size is selectable in the range of dozens of 10 nanometers to dozens of 100 nanometers by changing the process conditions.
Applications
(1)Powders
Nano-atomization process
Sample: VOPc powder + water + dispersant
1. When color of colorant (VOPc, dozens of micrometer) is stirred in water, the color can not be seen.
2. Irradiating laser to the suspension, the suspension has color of the colorants due to effect of nano-atomization.
3. Keeping laser irradiation and stirring, homogeneous nanosuspension of colorants is obtained.
SEM image of VOPc nanoparticles
Particles size: 50-150nm
The SEM image shows that homogeneous nanoparticles are involved in the solution by above nano-atomizing process.
(2)Plate materials
Nano-atomization process
Sample: gold plate + water
1. Irradiating laser to gold plate in water
2. Irradiating laser on the surface of the plate, gold nanoparticles are generated like smoke in water, and gold nanosuspension is obtained.
SEM image of gold nanoparticles
Particles size: 20-50nm
The SEM image shows that homogeneous nanoparticles are involved in the solution by above nano-atomizing process.
(3)Various kinds of nanosuspension
Various kinds of nanosuspension
(CLICK: Zoom In/Out)Gold nanoparticles, Silver nanoparticles, Colorant (VOPc) nanoparticles in water, and Carbon Nanotube suspension in DMF
The system is possible to generate various kinds of nanosuspension with a combination of various materials and preferable solvents.
Features
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Generation of nanomaterials with noncontact
The system is possible to generate nanosuspension with noncontact.
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System configuration that considers light and heat deterioration
To decrease the heat degradation of raw materials, the system has the dewfall prevention function on the surface of the chamber under the low temperature to keep suitable laser irradiation.
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The generation condition nanoparticles is optimized.
The system has the function to monitor the generation of nanoparticles by the shock wave and luminescence caused by laser irradiation, and the best irradiating condition is decided in a short time.
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Re-dispersion of aggregation
The nanoparticles aggregation in solutions can be dispersed by pulse laser irradiation.
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Nanosuspension System