The properties of silica aerogels hybridized with SiO 2 nanoparticles by ambient pressure drying

In Keun Jung, Jyoti L. Gurav, Tae Jung Ha, Sun Gyu Choi, Seungsu Baek, Hyung Ho Park

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


In this study, we report the chemical characteristics of silica aerogels that were produced by adding SiO 2 nanoparticles into silica aerogel by ambient pressure drying. We synthesized silica aerogel composites with different weight percentages of SiO 2 nanoparticles ranging from 0 wt% to 0.025 wt% of the total amount of solution. As the wt% of SiO 2 nanoparticles increased, the number of chemical bonds that formed during condensation of the silica aerogel increased because of the presence of surface hydroxyl groups, thus the particle size of the silica aerogels increased. Silica nanoparticle-doping of silica aerogels can be used to control the synthesis of nanocomplex structures.

Original languageEnglish
Pages (from-to)S105-S108
JournalCeramics International
Issue numberSUPPL. 1
Publication statusPublished - 2012 Jan

Bibliographical note

Funding Information:
This work was supported by a grant from DAPA and ADD , Republic of Korea. This work was also supported by the Second Stage of Brain Korea 21 Project in 2010. Experiments at PLS were supported in part by MEST and POSTECH.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry


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