Effect of ultrasound on synthesis of spherical silica

Naoya Enomoto; Tomohiro Koyano; Zenbe E. Nakagawa

doi:10.1016/1350-1477(96)00004-W

Effect of ultrasound on synthesis of spherical silica

Naoya Enomoto, Tomohiro Koyano, Zenbe E. Nakagawa

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Spherical particles of silica were prepared in the presence of ultrasound at various frequencies (20, 1740, 4000 kHz) and intensities (<25.4 W/cm²). It was found that the sphere size increased with increasing ultrasonic intensity and that the 20 kHz sonication induced agglomeration among the spheres. It was inferred that such agglomeration is dominated by a silanol group (-OH) at the surface of silica spheres. Size parameters, such as sphere size, agglomeration size, and ultrasonic vibration amplitude are discussed.

Original language	English
Pages (from-to)	S105-S109
Journal	Ultrasonics Sonochemistry
Volume	3
Issue number	2
DOIs	https://doi.org/10.1016/1350-1477(96)00004-W
Publication status	Published - 1996
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemical Engineering (miscellaneous)
Environmental Chemistry
Radiology Nuclear Medicine and imaging
Acoustics and Ultrasonics
Organic Chemistry
Inorganic Chemistry

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10.1016/1350-1477(96)00004-W

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AU - Nakagawa, Zenbe E.

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AB - Spherical particles of silica were prepared in the presence of ultrasound at various frequencies (20, 1740, 4000 kHz) and intensities (<25.4 W/cm2). It was found that the sphere size increased with increasing ultrasonic intensity and that the 20 kHz sonication induced agglomeration among the spheres. It was inferred that such agglomeration is dominated by a silanol group (-OH) at the surface of silica spheres. Size parameters, such as sphere size, agglomeration size, and ultrasonic vibration amplitude are discussed.

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Effect of ultrasound on synthesis of spherical silica

Abstract

All Science Journal Classification (ASJC) codes

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