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Hollow SiO2 Nanospheres: One-Step Synthesis by Introducing Guest Ag Nanoparticles and an Irradiating Electron Beam under Ambient Condition

Category: Articles

Volume: 13 | Issue: 1 | Pages: 415-420
DOI: 10.4209/aaqr.2012.08.0230
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Jin Hyoung Kim1, Minsoo Son1, Youngku Sohn2, Weon Gyu Shin 1

  • 1 Department of Mechanical Engineering, Chungnam National University, Daejeon 305-764, Korea
  • 2 Department of Chemistry, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Korea

Abstract

A novel one step gas phase synthesis method for hollow SiO2 nanospheres under ambient condition was developed using an electron beam irradiation system. Ag nanoparticles were used as a guest-template material. The inner structure of the hollow SiO2 nanospheres can be controlled by adjusting the electron beam intensity and precursor concentration. The average diameter and shell thickness of the produced particles were 56 nm and 10 nm, respectively.

Keywords

Hollow SiO2 nanosphere Electron beam irradiation One-step gas phase synthesis


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