Ultrasound-Assisted Hydrazine Reduction Method for the Preparation of Nickel Nanoparticles, Physicochemical Characterization and Catalytic Application in Suzuki-Miyaura Cross-Coupling Reaction

被引:14
作者
Adam, Adel Anna [1 ,2 ,3 ]
Szabados, Marton [1 ,2 ,3 ]
Varga, Gabor [1 ,2 ,3 ]
Papp, Adam [2 ,3 ]
Musza, Katalin [1 ,2 ,3 ]
Konya, Zoltan [4 ,5 ]
Kukovecz, Akos [4 ]
Sipos, Pal [2 ,3 ,6 ]
Palinko, Istvan [1 ,2 ,3 ]
机构
[1] Univ Szeged, Dept Organ Chem, Dom Ter 8, H-6720 Szeged, Hungary
[2] Univ Szeged, Mat & Solut Struct Res Grp, Aradi Vertanuk Tere 1, H-6720 Szeged, Hungary
[3] Univ Szeged, Interdisciplinary Excellence Ctr, Inst Chem, Aradi Vertanuk Tere 1, H-6720 Szeged, Hungary
[4] Univ Szeged, Dept Appl & Environm Chem, Rerrich B Ter 1, H-6720 Szeged, Hungary
[5] MTA SZTE React Kinet & Surface Chem Res Grp, Rerrich B Ter 1, H-6720 Szeged, Hungary
[6] Univ Szeged, Dept Inorgan & Analyt Chem, Dom Ter 7, H-6720 Szeged, Hungary
关键词
nickel nanoparticles; sonocrystallization; structural and morphology characterization; acid-base properties; activities in the Suzuki-Miyaura cross-coupling reaction; DEPENDENT MAGNETIC-PROPERTIES; BIMETALLIC NANOPARTICLES; SONOCHEMICAL PREPARATION; SILVER NANOPARTICLES; METAL NANOPARTICLES; OPTICAL-PROPERTIES; NI NANOPARTICLES; PALLADIUM; ADSORPTION; OXIDE;
D O I
10.3390/nano10040632
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In the experimental work leading to this contribution, the parameters of the ultrasound treatment (temperature, output power, emission periodicity) were varied to learn about the effects of the sonication on the crystallization of Ni nanoparticles during the hydrazine reduction technique. The solids were studied in detail by X-ray diffractometry, dynamic light scattering, thermogravimetry, specific surface area, pore size analysis, temperature-programmed CO2/NH3 desorption and scanning electron microscopy. It was found that the thermal behaviour, specific surface area, total pore volume and the acid-base character of the solids were mainly determined by the amount of the nickel hydroxide residues. The highest total acidity was recorded over the solid under low-power (30 W) continuous ultrasonic treatment. The catalytic behaviour of the nanoparticles was tested in a Suzuki-Miyaura cross-coupling reaction over five samples prepared in the conventional as well as the ultrasonic ways. The ultrasonically prepared catalysts usually performed better, and the highest catalytic activity was measured over the nanoparticles prepared under low-power (30 W) continuous sonication.
引用
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页数:18
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