Spherosilicates with peripheral malonic acid and vinyl end groups

Zhongliang Shen, Jongsik Kim, Jingmei Shen, Christopher M. Downing, Sungsik Lee, Harold H. Kung, Mayfair C. Kung*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Two novel spherosilicates comprised of an octahedral Si8O12 core, [Si8O12]-(OSiMe2CH2CH2CH2CH(COOH)2)8 and [Si8O12]-(OSiMe2CH2CH2CH2CH(COOSi(CH=CH2)3)2)8, were synthesized from [Si8O12]-(OSiMe2H)8. These new structures have high densities of peripheral functional groups, and the second structure also possesses silyl ester bonds that are easily cleavable under mild conditions. These functionalities enable these structures to be modified further and to have many potential applications. We demonstrated one by cross-linking the vinyl-terminated spherosilicate to form nanospheres with a narrow size distribution and utilizing the hydrophilic interior to accommodate a Pd salt in a toluene solution.

Original languageEnglish (US)
Pages (from-to)3357-3359
Number of pages3
JournalChemical Communications
Issue number32
StatePublished - Mar 26 2013

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Metals and Alloys
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • General Chemistry
  • Catalysis


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