Non-noble metal catalytic microaggregates, a method for their pr

Details Non-noble metal catalytic microaggregates, a method for their pr Non-noble metal catalytic microaggregates, a method for their pr

1985-06-13

1986-12-16

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Irradiation by, or application of, electrical, magnetic or...

502522, 20415744, B01J 3734

Patent

active

046297090

ABSTRACT:
The invention relates to metal microaggregates.
The monodisperse of the invention are non-noble metal microaggregates in a monodispersed form in a solid or liquid medium and of a size uniformly less than 5 nm. They are obtained by irradiation of a metal salt or a mixture of salts, by means of an ionizing radiation source, by dissolving a non-noble metal salt or a mixture of metal salts, at least one of which is a non-noble metal, in an appropriate solvent, in the presence of an oxidizing radical scavenger and a surfactant and/or a support, and then by carrying out irradiation.
Application is for catalysis of various reactions, in particular the photoreduction of water into hydrogen.

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patent: 2604442 (1952-07-01), Lambert et al.
patent: 3048529 (1962-08-01), Mohlman
patent: 3074880 (1963-01-01), Domash et al.
patent: 3189562 (1965-06-01), Graham
patent: 3803010 (1974-04-01), Searman et al.

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