Journal
GREEN CHEMISTRY LETTERS AND REVIEWS
Volume 14, Issue 1, Pages 43-48Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17518253.2020.1861343
Keywords
Au; Ag nanoparticles; proanthocyanidins; hydrothermal method; organic dyes
Funding
- Fundamental Research Funds for the Central Universities [2572020DR07]
- Natural Science Fund of Heilongjiang Province [LH2019B001]
- Heilongjiang Touyan Innovation Team Program (Tree Genetics and Breeding Innovation Team)
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Proanthocyanidins-functionalized Au/Ag bimetallic nanoparticles were synthesized by a hydrothermal method and characterized by various techniques. The nanoparticles exhibit uniform core-shell structures and show high removal efficiency for certain organic dyes.
Proanthocyanidins-functionalized Au/Ag bimetallic nanoparticles were synthesized by a hydrothermal method. The obtained Au/Ag nanoparticles have been characterized by UV-Vis absorption spectra (UV), Fourier transform infrared spectroscopy (FTIR), Transmission electron microscopy (TEM) and X-ray diffraction (XRD). The UV and FTIR measurement indicated that the as-synthesized colloids have the spherical shapes and the presence of the polymerized proanthocyanidins around metal nanoparticles. TEM and XRD results revealed that the nanoparticles have uniform core-shell structures and the metal core possessed a highly crystalline structure. Furthermore, it was found that the proanthocyanidins-functionalized Au/Ag bimetallic nanoparticles have high removal efficiency for some organic dyes.
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