Control of Morphology by Sonochemical Reaction
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".
Deadline for manuscript submissions: closed (10 October 2021) | Viewed by 274
Special Issue Editor
Special Issue Information
Dear Colleagues,
We have been synthesizing nanoparticles of calcium compounds using ultrasound for a long time. Our method is simple without extra additives. For calcium carbonate, particles of about 20 nm were rapidly synthesized by ultrasonication while blowing CO2 gas into a calcium hydroxide suspension, and an unprecedented ACC was also synthesized. In the synthesis of hydroxyapatite, the difference between ultrasound irradiation and stirring was clarified. Furthermore, we succeeded in synthesizing the world's smallest level of 7 nm (specific surface area: 300 m2/g) hydroxyapatite by ultrasonication in the Ca (OH)2-H3PO4-H2O reaction. Currently, we are investigating properties such as the sinterability and sedimentation of synthesized nanoparticles.
Prof. Dr. Yoshiyuki Kojima
Guest Editor
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Keywords
- Calcium carbonate
- hydroxyapatite
- ultrasonication
- nano-sized
- atomization
