Microdroplet synthesis of silver nanoparticles with controlled sizes

Tingting Hong, Aijuan Lu, Wenfang Liu, Chuanpin Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

A method was developed to synthesize silver nanoparticles with controlled size and Localized Surface Plasmon Resonance (LSPR) wavelength. In a microchip, droplets with high monodispersity and stability were produced. Using droplets as microreactors, seed-mediated growth approach was successfully applied for silver nanoparticles preparation. It was observed that nanoparticles size and LSPR wavelength could be optimized via adjusting synthesis conditions, such as droplets heating temperature, reaction time, and concentration of silver seeds and silver nitrate in aqueous phase. These results indicated that the proposed microdevices could provide a convenient and inexpensive approach for preparing nanoparticles with optimum properties.

Original languageEnglish
Article number274
JournalMicromachines
Volume10
Issue number4
DOIs
Publication statusPublished - 1 Apr 2019
Externally publishedYes

Keywords

  • Microchip
  • Microdroplet
  • Silver nanoparticle

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