期刊
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
卷 32, 期 3, 页码 791-802出版社
SPRINGER
DOI: 10.1007/s10904-021-02218-4
关键词
Graphene oxide; Palladium nanoparticles; beta-Cyclodextrin; Suzuki-Miyaura; 4-Nitrophenol
The study utilizes graphene oxide as a stable support for palladium nanoparticles, resulting in a heterogeneous nanocatalyst. The nanocatalyst demonstrates excellent catalytic efficiency through various characterization techniques. It is efficient, cost-effective, and environmentally friendly, maintaining its catalytic activity after multiple uses.
In this study, graphene oxide used as a stable support to adsorb and stabilize palladium nanoparticles for preparing a heterogeneous nanocatalyst. In order to increase the palladium adsorption, the surface of graphene oxide was functionalized with beta-Cyclodextrin and cyanoguanidine compounds. The prepared nanocatalyst was defined by various characterization techniques such as FT-IR, XRD, TEM, SEM-EDX, ICP and UV-Vis. The catalytic efficiency of the synthesized organic-inorganic nanocomposite investigated by focusing on the Suzuki-Miyaura binding reaction and reduction of 4-nitrophenol to 4-aminophenol, which the nanocatalyst work is easy, affordable, and environmentally safe. The performed reaction showed high yields of biphenyl compounds through the Suzuki-Miyaura reaction and confirms very good conversion of 4-nitrophenol to its reduced form. Also, the proposed nanocatalyst presented significant catalytic efficiency (yield: 98% to 91%) after using five times. [GRAPHICS] .
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