Caffeic acid: Potential applications in nanotechnology as a green reducing agent for sustainable synthesis of gold nanoparticles

Yu Seon Seo, Song Hyun Ch, Seonho Cho, Hye Ran Yoon, Young Hwa Kang, Youmie Park

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The sustainable synthesis of gold nanoparticles from gold ions was conducted with caffeic acid as a green reducing agent. The formation of gold nanoparticles was confirmed by spectroscopic and microscopic methods. Spherical nanoparticles with an average diameter of 29.99 ± 7.43 nm were observed in highresolution transmission electron microscopy and atomic force microscopy images. The newly prepared gold nanoparticles exhibited catalytic activity toward the reduction of 4-nitrophenol to 4-aminophenol in the presence of sodium borohydride. This system enables the preparation of green catalysts using plant natural products as reducing agents, which fulfills the growing need for sustainability initiatives.

Original languageEnglish
Pages (from-to)627-630
Number of pages4
JournalNatural Product Communications
Volume10
Issue number4
DOIs
StatePublished - Apr 2015

Keywords

  • 4-Nitrophenol reduction
  • Caffeic acid
  • Catalytic activity
  • Gold nanoparticles
  • Sustainable synthesis

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