Laser electrodispersion method for the preparation of self-assembled metal catalysts

Авторы: Rostovshchikova T.N., Nikolaev S.A., Lokteva E.S., Gurevich S.A., Kozhevin V.M., Yavsin D.A., Ankudinov A.V.
Сборник: Studies in Surface Science and Catalysis
Серия: Scientific Bases for the Preparation of Heterogeneous Catalysts, Proceedings of the 10th International Symposium, Louvain-la-Neuve, Belgium, July 11-15, 2010
Том: 175
Год издания: 2010
Место издания: Elsevier B.V Netherlands
Первая страница: 263
Последняя страница: 266
DOI: 10.1016/S0167-2991(10)75038-2
Аннотация: Laser electrodispersion (LED) method makes possible to fabricate dense nanostructured catalysts with unique catalytic properties. In contrast to earlier laser ablation techniques, where nanoparticles were synthesized from vaporized matter, LED is based on the cascade fission of liquid metallic drops. Fabricated catalysts consist of ensembles of nanoparticles that are uniform in size and shape, amorphous and stable to coagulation. The catalytic activity of these self-assembled Pt, Ni, Pd, Au and Cu catalysts with extremely low metal content (<10−3 mass.%) in hydrogenation and hydrodechlorination is several orders of magnitude higher compared to that for separated metal clusters, highly loaded metal films and supported catalysts prepared by usual methods.
Добавил в систему: Николаев Сергей Александрович

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