Synthesis of Silica Particles with Precisely Tailored Diameter
查看参考文献24篇
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文摘
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A modified seeded growth process of silica particles with a continuous addition of tetraethyl orthosilicate (TEOS) was presented to control the diameter of silica particles. The diameter of particles was monitored by dynamic light scattering to control the addition of TEOS. The increase in the diameter of the silica particles with time and the addition of TEOS was investigated. The diameter of silica seeds increased from 193 nm to 446 nm in 4 h. The final diameter of silica particles was tailored within the range of ±5 nm to the target diameter. Silica particles with diameter of 446 nm were synthesized and assembled into photonic crystals with a pseudo band gap centered at just 1000 nm. The feasibility and practicability of this modified seeded growth process was verified. |
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来源
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Chinese Journal of Chemical Physics
,2014,27(5):563-567 【核心库】
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DOI
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10.1063/1674-0068/27/05/563-567
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关键词
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Silica particle
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Dynamic light scattering
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Seeded growth process
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Photonic crystal
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地址
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1.
Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080
2.
School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin, 150001
3.
School of New Energy, Shenyang Institute of Engineering, Shenyang, 110136
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1674-0068 |
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学科
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医药、卫生;临床医学 |
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基金
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国家自然科学基金
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国家教育部新世纪优秀人才支持计划
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the Natural Science Funds for Distinguished Young Scholar of Heilongjiang Province
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the Project of International Cooperation supported by Ministry of Science and Technology of China
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文献收藏号
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CSCD:5274132
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参考文献 共
24
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