Patent
Process for the production of hydrogen by means of heterogeneous photoredox catalysis
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TLDR
In this article, a process for the selective production of hydrogen by means of heterogeneous photoredox catalysis is described, in which mixtures of water and alkali metal sulfites or sulfides, alkaline earth metal sulfite or sulfide or ammonium sulfite, or mixtures thereof are reacted under the action of light in a suspension of a cadmium sulfide, lead sulfide and titanium dioxide/semiconductor powder which is at least partially coated with Cu, Cr, Ni, Co or a noble metal.Abstract:
A process is described for the selective production of hydrogen by means of heterogeneous photoredox catalysis, in which mixtures of water and alkali metal sulfites or sulfides, alkaline earth metal sulfites or sulfides or ammonium sulfites or sulfides are reacted under the action of light in a suspension of a cadmium sulfide, cadmium sulfoselenide or titanium dioxide/semiconductor powder which is at least partially coated with Cu, Cr, Ni, Co or a noble metal or mixtures thereof. The catalysts which can be employed in this process (coated semiconductor powders) are in some cases novel.read more
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Photocatalytic methods for preparing metallized powders
TL;DR: In this paper, photodeposition of platinum, copper and other metals on TiO2 powder and other semiconductor powders is described, which is particularly useful as catalysts.
Patent
Solar photolysis of water
TL;DR: In this article, a photo-oxidation vessel with a transparent wall was used to produce hydrogen and oxygen in the presence of an insoluble photo-reduction reagent catalyst.
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Thermochemical production of hydrogen
TL;DR: A thermochemical reaction cycle for the generation of hydrogen from water comprising the following sequence of reactions wherein M represents a metal and Z represents a metalloid selected from the arsenic-antimony-bismuth and selenium-tellurium subgroups of the periodic system is described in this article.