Formation of silica-organic hybrid nanoparticles by cross-linking of ultra-small silica nanoparticles

Shigeru Sakamoto; Koki Fujino; Atsushi Shimojima; Kazuyuki Kuroda

doi:10.1246/cl.180374

Formation of silica-organic hybrid nanoparticles by cross-linking of ultra-small silica nanoparticles

Shigeru Sakamoto, Koki Fujino, Atsushi Shimojima, Kazuyuki Kuroda

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A new type of silicaorganic hybrid nanoparticle (HNPs) ~30nm in size, consisting of vinylsilylated silica nanoparticles (SNPs) of size ~2nm and 1,6-hexanedithiol as the organic linker, were prepared by their interconnection via the thiolene reaction. The particle size of the HNPs varied depending on the concentration of the linker. Additionally, they could be dispersed in organic solvents and further successful chemical modification of the internal surfaces of HNPs indicated the accessibility of guest species into the internal nanospaces.

Original language	English
Pages (from-to)	1018-1021
Number of pages	4
Journal	Chemistry Letters
Volume	47
Issue number	8
DOIs	https://doi.org/10.1246/cl.180374
Publication status	Published - 2018 Jan 1

Keywords

Silica nanoparticle
Silica-organic hybrid
Surface modification

ASJC Scopus subject areas

Chemistry(all)

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10.1246/cl.180374

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abstract = "A new type of silicaorganic hybrid nanoparticle (HNPs) ~30nm in size, consisting of vinylsilylated silica nanoparticles (SNPs) of size ~2nm and 1,6-hexanedithiol as the organic linker, were prepared by their interconnection via the thiolene reaction. The particle size of the HNPs varied depending on the concentration of the linker. Additionally, they could be dispersed in organic solvents and further successful chemical modification of the internal surfaces of HNPs indicated the accessibility of guest species into the internal nanospaces.",

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AU - Fujino, Koki

AU - Shimojima, Atsushi

AU - Kuroda, Kazuyuki

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AB - A new type of silicaorganic hybrid nanoparticle (HNPs) ~30nm in size, consisting of vinylsilylated silica nanoparticles (SNPs) of size ~2nm and 1,6-hexanedithiol as the organic linker, were prepared by their interconnection via the thiolene reaction. The particle size of the HNPs varied depending on the concentration of the linker. Additionally, they could be dispersed in organic solvents and further successful chemical modification of the internal surfaces of HNPs indicated the accessibility of guest species into the internal nanospaces.

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KW - Silica-organic hybrid

KW - Surface modification

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