Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method

高等学校化学研究 ›› 2010, Vol. 26 ›› Issue (3): 339-343.

Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method

ZHANG Qing¹, LI Rui², ZHAI Yong-ai¹, LIU Feng-qi¹ and GAO Ge^1*

1. College of Chemistry, Jilin University, Changchun 130021, P. R. China;
2. College of Chemistry, Daqing Normal University, Daqing 163712, P. R. China

收稿日期:2009-05-19 修回日期:2009-11-23 出版日期:2010-05-25 发布日期:2010-07-27
通讯作者: GAO Ge. E-mail: gaoge@jlu.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(No.50673033).

Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method

ZHANG Qing¹, LI Rui², ZHAI Yong-ai¹, LIU Feng-qi¹ and GAO Ge^1*

1. College of Chemistry, Jilin University, Changchun 130021, P. R. China;
2. College of Chemistry, Daqing Normal University, Daqing 163712, P. R. China

Received:2009-05-19 Revised:2009-11-23 Online:2010-05-25 Published:2010-07-27
Contact: GAO Ge. E-mail: gaoge@jlu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(No.50673033).

摘要/Abstract

摘要： A self-templating method was employed to synthesize core-shell nanoparticles with octylmethoxycinamate(OMC), a well-known organic UV absorber, as core and nanosilica particles as shell. The characteristic of this method is that the whole process requires neither surface treatment for nanosilica particles nor additional surfactant or stabilizer, and all the reactions could be finished in one-pot, which exempts removing template and reduces reaction steps compared to the conventional process. The morphology, structure, particle size distribution, chemical composition and optical property of OMC-SiO₂ nanoparticles were characterized by scanning electron microscopy(SEM), transmission electron microscopy(TEM), dynamic light scattering(DLS), FTIR spectrometry and UV absorption spectrometry, respectively. Experiment results indicate that the resulting OMC-SiO₂ nanoparticles were perfectly spherical with smooth particle surfaces, and had clear core-shell structures. The particle size could be tuned by alte- ring reaction conditions. In addition, the mechanism of the self-templating method for forming core-shell nanoparticles was discussed.

关键词: Nanoparticle, Silica, Octylmethoxycinamate(OMC), Core-shell structure, Self-templating method

Abstract: A self-templating method was employed to synthesize core-shell nanoparticles with octylmethoxycinamate(OMC), a well-known organic UV absorber, as core and nanosilica particles as shell. The characteristic of this method is that the whole process requires neither surface treatment for nanosilica particles nor additional surfactant or stabilizer, and all the reactions could be finished in one-pot, which exempts removing template and reduces reaction steps compared to the conventional process. The morphology, structure, particle size distribution, chemical composition and optical property of OMC-SiO₂ nanoparticles were characterized by scanning electron microscopy(SEM), transmission electron microscopy(TEM), dynamic light scattering(DLS), FTIR spectrometry and UV absorption spectrometry, respectively. Experiment results indicate that the resulting OMC-SiO₂ nanoparticles were perfectly spherical with smooth particle surfaces, and had clear core-shell structures. The particle size could be tuned by alte- ring reaction conditions. In addition, the mechanism of the self-templating method for forming core-shell nanoparticles was discussed.

Key words: Nanoparticle, Silica, Octylmethoxycinamate(OMC), Core-shell structure, Self-templating method

ZHANG Qing, LI Rui, ZHAI Yong-ai, LIU Feng-qi and GAO Ge*. Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method[J]. 高等学校化学研究, 2010, 26(3): 339-343.

ZHANG Qing, LI Rui, ZHAI Yong-ai, LIU Feng-qi and GAO Ge*. Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method[J]. Chemical Research in Chinese Universities, 2010, 26(3): 339-343.

参考文献

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Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method

Synthesis of Octylmethoxycinamate-silica Core-shell Nanoparticles with Self-templating Method

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