Mono- or multi-metal microaggregates, a method for their prepara

Details Mono- or multi-metal microaggregates, a method for their prepara Mono- or multi-metal microaggregates, a method for their prepara

1986-09-18

1988-05-17

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

047450940

ABSTRACT:
Mono- or multi-metal microaggregates in a monodisperse phase in a solid or liquid medium and of a size uniformly less than 5 nm. The microaggregates are obtained by irradiation of a metal salt or a mixture of salts, by means of an ionizing radiation source, comprising dissolving a metal salt or a mixture of metal salts, in an appropriate solvent, in the presence of an oxidizing radical scavenger, and a surfactant, a support or both a surfactant and a support, and then carrying out irradiation. The metal microaggregates are useful for catalysis of various reactions, in particular, the photoreduction of water.

REFERENCES:
patent: 2905608 (1959-09-01), Noddings et al.
patent: 4062696 (1977-12-01), Ducote
patent: 4587226 (1986-05-01), Sasaki et al.
patent: 4629709 (1986-12-01), Belloni Cofler et al.

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