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Controllable synthesis of SiO2 nanoparticles: effects of ammonia and tetraethyl orthosilicate concentration
Yan, Y (Yan, Yue); Fu, J (Fu, Jie); Xu, L (Xu, Ling); Wang, TF (Wang, Tianfu); Lu, XY (Lu, Xiuyang)
2016
发表期刊MICRO & NANO LETTERS
卷号11期号:12页码:885-889
摘要SiO2 nanoparticles can be used as drug carriers in drug delivery systems, wherein the size of the nanoparticles plays a vital role in their distribution in vivo. SiO2 nanoparticles were synthesised using the Stober method and characterised by dynamic light scattering and scanning electron microscopy. The effects of the ammonia concentration, tetraethyl orthosilicate (TEOS) concentration, water loading and alcohol type on the size and dispersion of the SiO2 nanoparticles were investigated. The results showed that the concentration of ammonia was the most important factor in dictating the size of the SiO2 nanoparticles. The size of the particles increased with increasing ammonia and TEOS concentrations. Increasing the water loading caused a reduction in the particle size but an increase in the dispersion. Both the particle size and dispersion increased with increasing alcohol carbon number. Linear relationships were observed between the SiO2 particle size and the concentrations of ammonia and TEOS, which could be used to control the size of SiO2 nanoparticles during synthesis.
关键词Silicon Compounds Nanoparticles Nanofabrication Ammonia Organic Compounds Particle Size Controllable Synthesis Ammonia-tetraethyl Orthosilicate Concentration Effects Drug Carriers Drug Delivery Systems Stober Method Dynamic Light Scattering Scanning Electron Microscopy Nanoparticle Size Dispersion Sio2 Nh3
DOI10.1049/mnl.2016.0434
WOS记录号WOS:000389323100025
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4718
专题环境科学与技术研究室
作者单位1.Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Zhejiang, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
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Yan, Y ,Fu, J ,Xu, L ,et al. Controllable synthesis of SiO2 nanoparticles: effects of ammonia and tetraethyl orthosilicate concentration[J]. MICRO & NANO LETTERS,2016,11(12):885-889.
APA Yan, Y ,Fu, J ,Xu, L ,Wang, TF ,&Lu, XY .(2016).Controllable synthesis of SiO2 nanoparticles: effects of ammonia and tetraethyl orthosilicate concentration.MICRO & NANO LETTERS,11(12),885-889.
MLA Yan, Y ,et al."Controllable synthesis of SiO2 nanoparticles: effects of ammonia and tetraethyl orthosilicate concentration".MICRO & NANO LETTERS 11.12(2016):885-889.
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