In situ biosynthesis of palladium nanoparticles on Artemisia abrotanum extract-modified graphene oxide and its catalytic activity for Suzuki coupling reactions

• DOI: 10.1016/j.poly.2019.02.053
• Publication Date: 2019-03-07T13:03:19Z
• Authors: Mirmehdi Hashemi ...; Mohammad Yousefi; Malak Hekmati; Ebrahim Balali
• Keywords: 01 natural sciences; 12. Responsible consumption; 0104 chemical sciences

Abstract 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.