期刊
POLYHEDRON
卷 165, 期 -, 页码 132-137出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2019.02.053
关键词
Green synthesis; Graphene; Pd nanoparticles; Suzuki; Catalytic activity
资金
- Tehran Medical Sciences, Islamic Azad University
- Yadegar -e- Imam Khomeini (RAH) Shahr-e-Rey Branch, Islamic Azad University, Tehran, Iran
We progressed the catalytic activity of Pd NPs coated on Artemisia abrotanum extract-modified graphene (Pd NPs/RGO) for the Suzuki coupling reactions. Pd NPs/RGO nanocatalyst was fabricated via modifying the surface of graphene oxide (GO) with A. abrotanum extract as a reducing and stabilizing agent with no addition of any toxic agent to in situ reduction and immobilizing Pd nanoparticles. Sundry methods like FTIR, UV-Vis, ICP-AES, XRD, FE-SEM, WDX, TEM and EDX have been used for explaining the structure and morphology of the Pd NPs/RGO nanocatalyst. The outcomes indicate that the Pd (0) nanoparticles are completely spread on the functionalized GO surface. Pd NPs/RGO showed excellent catalytic performance as a recyclable nanocatalyst in Suzuki-Miyaura reactions with high yields. Moreover, the recycled nanocatalyst showed no considerable loss in its activity. (C) 2019 Elsevier Ltd. All rights reserved.
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