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Nanoparticles generation using monodisperse droplets by an ultrasonic transducer
Author(s) -
Fujimoto Nozomu,
Kanda Takefumi,
Katsuta Masaya,
Sakata Yusaku,
Yamada Yoshiaki,
Seno Norihisa,
Nakazaki Yoshiaki,
Otoyama Takafumi
Publication year - 2020
Publication title -
electronics and communications in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.131
H-Index - 13
eISSN - 1942-9541
pISSN - 1942-9533
DOI - 10.1002/ecj.12245
Subject(s) - nanoparticle , materials science , dispersity , transducer , miniaturization , ultrasonic sensor , microporous material , nanotechnology , capacitive micromachined ultrasonic transducers , composite material , piezoelectricity , acoustics , polymer chemistry , physics
In recent years, a production of nanoparticles has been required in many fields such as production process for electronic materials, foods, and medicine. By using recrystallization process, nanoparticles can be formed by quenching a solution. We have generated monodisperse droplets by using an ultrasonic torsional transducer and a micropore plate to form fine nanoparticles by quenching droplets. In this nanoparticle production system, formed nanoparticles have a diameter of 79.9 nm when the applied voltage for the transducer and the diameter of micropore to generated micro droplets were 100 V p‐p and 50 μm. We have successfully obtained fine nanoparticles from monodisperse droplets generated by using the ultrasonic torsional transducer. This result shows that the proposed system is effective for the miniaturization of the alum particles.

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