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Preparation and examination of multilayer graphene nanosheets by exfoliation of graphite in high efficient attritor mill

100%

Kun P., Wéber F., Balázsi C.

Open Chemistry

2011

vol. 9

issue 1

47-51

Graphene multilayers have been prepared by mechanical method based on milling graphite in high efficient attritor mill. The results showed that the best dispersion media is ethanol, and 10 hours of intensive milling proved to be the most efficient way to separate the graphite layers as it was shown by scanning electron microscopy and X-ray diffraction measurements. [...]

Nano-hydroxyapatite preparation from biogenic raw materials

64%

Gergely G., Wéber F., Lukács I., Illés L., Tóth A., Horváth Z., Mihály J., Balázsi C.

Open Chemistry

2010

vol. 8

issue 2

375-381

Hydroxyapatite (HAp) was successfully produced from recycled eggshell, seashell and phosphoric acid. The phases obtained depended on the ratio of calcined eggshell/ seashell to phosphoric acid, the calcination temperature and the mechanochemical activation method (ball milling or attrition milling). The HAp structures were characterized by X-ray diffraction, scanning electron microsopy and infrared spectroscopy. Attrition milling was more effective than ball milling, yielding nanosize, homogenous and pure Hap. [...]

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2 Open Chemistry

1 2011

1 2010

2 Balázsi C.

2 Wéber F.

1 Gergely G.

1 Horváth Z.

1 Illés L.

1 Kun P.

1 Lukács I.

1 Mihály J.

1 Tóth A.

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Preparation and examination of multilayer graphene nanosheets by exfoliation of graphite in high efficient attritor mill

Nano-hydroxyapatite preparation from biogenic raw materials