Templated Synthesis of Silica Hollow Particles by Using Spray Pyrolysis
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概要
- 論文の詳細を見る
It is commonly accepted that one hollow particle is formed from one droplet in conventional spray pyrolysis or drying. Therefore, the particles size distribution is closely related to the droplet size distribution. In this report, however, a new aerosol process was proposed, in which multiple hollow particles were produced from one liquid droplet with the aid of salt and polystyrene (PS) bead. In this process, the particles size and size distribution were determined by the PS beads, not by the droplets. Silica hollow particles of 160 nm in diameter and 10 nm in shell thickness were prepared after washing off the salt with water. Geometric mean dispersion of hollow particles were 1.02, whereas the geometric mean deviation of droplets was 1.3. The role of salt was to keep nano-size hollow particles desegregated while the PS template beads were burnt off at 500°C.
- 社団法人 化学工学会の論文
- 2004-09-01
著者
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OKUYAMA KIKUO
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University
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LIM Jung
Department of Anatomy, Chonbuk National University Medical School
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Park Seung
Department Of Medicine Samsung Medical Center Sungkyunkwan University School Of Medicine
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Okuyama Kikuo
Department Of Chemical Engineering Faculty Of Engineering Hiroshima University
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CHUNG Yun
Department of Electrical Engineering, Korea Advanced Institute of Science and Technology
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Park Seung
Department Of Anatomy Wonkwang University School Of Medicine
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Lim Jung
Department Of Chemical And Biomolecular Engineering Kaist
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Lim Jung
Department Of Anatomy Chonbuk National University Medical School:research Center For Allergic Immune
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Chung Yun
Department Of Electrical Engineering Korea Advanced Institute Of Science And Technology
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Park Seung
Department Of Chemical And Biomolecular Engineering Kaist
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Chung Yun
Department Of Chemical And Biomolecular Engineering Kaist
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Park Seung
Department Of Anatomy College Of Medicine Konkuk University
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