Preparation of silica-coated rhodium nanoparticles using water-in-oil microemulsion

Masahiro Kishida, Teruoki Tago, Takatoshi Hatsuta, Katsuhiko Wakabayashi

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Monodispersed silica-coated rhodium nanoparticles were synthesized by using the w/o microemulsion of polyoxyethylene (15) cetyl ether / cyclohexane / water system. By hydrolysis of tetraethyl orthosilicate in the presence of rhodium complex nanoparticles followed by thermal treatment, the silica-coated metallic rhodium nanoparticles were obtained in the microemulsion. In the composite nanoparticles, a metallic rhodium particle with a diameter of 4 nm was located nearly at the center of a spherical silica particle. The thickness of silica layer was 14 nm.

Original languageEnglish
Pages (from-to)1108-1109
Number of pages2
JournalChemistry Letters
Issue number9
DOIs
Publication statusPublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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