PEI-assisted preparation of Au nanoparticles via reductive crystallization process

Takashi Mikami*, Yuta Takayasu, Izumi Hirasawa

*この研究の対応する著者

研究成果: Article査読

21 被引用数 (Scopus)

抄録

Nano-sized gold particles were prepared in a solution containing polyethylenimine (PEI) utilizing a batch reactor. PEI acts as a reducing agent as well as a stabilizing agent of nanoparticles. The effects of initial concentration of PEI on the mean particle diameter, coefficient of variation (C.V.), growth rate, nucleation rate and the number of nuclei were studied. The particle diameter of gold decreased markedly with increasing initial concentration of PEI, from 3.3 μm to a minimum value of about 5 nm. The observed decrease of particle diameter was considered to be caused by the growth-inhibiting effect of PEI, which affects the conclusive number of nuclei.

本文言語English
ページ(範囲)1248-1251
ページ数4
ジャーナルChemical Engineering Research and Design
88
9
DOI
出版ステータスPublished - 2010 9 1

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)

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