A gram scale synthesis of monodispersed silver nanoparticles capped by carboxylates and their ligand exchange

Chang Dae Keum, Noriyuki Ishii, Kanae Michioka, Priastuti Wulandari, Kaoru Tamada, Masahiko Furusawa, Hitoshi Fukushima

研究成果: ジャーナルへの寄稿学術誌査読

32 被引用数 (Scopus)

抄録

In this paper, we report a simple yet powerful synthetic method for obtaining monodispersed silver nanoparticles by direct thermal decomposition of two materials - one is silver acetate as a source of the metal core and the other is myristic acid as a capping agent. The reaction was performed at 250°C, the boiling point of myristic acid, without additional solvent. The nucleation and growth of the particles were monitored by dynamic light scattering in order to optimize the reaction time. By this simple procedure, we could obtain uniformly sized Ag nanoparticles with the average diameter of 4.8 ± 0.1 nm. Although the particles were synthesized at high temperature, the ligand exchange between myristates and alkanethiolates can be achieved at room temperature. Significant characteristics of Ag nanoparticles attributed to localized surface plasmons were investigated.

本文言語英語
ページ(範囲)131-142
ページ数12
ジャーナルJournal of Nonlinear Optical Physics and Materials
17
2
DOI
出版ステータス出版済み - 6月 2008
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 原子分子物理学および光学
  • 物理学および天文学(その他)

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