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Nanostructured photocatalysts and doped wide-bandgap semiconductors

  • US 9,873,115 B2
  • Filed: 07/01/2014
  • Issued: 01/23/2018
  • Est. Priority Date: 07/01/2013
  • Status: Active Grant
First Claim
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1. A catalyst for reduction of carbon dioxide and water comprising:

  • nanostructured titanium dioxide doped with one of;

    copper, wherein the nanostructured titanium dioxide forms a p-type semiconductor;

    nitrogen, wherein the nanostructured titanium dioxide forms a p-type semiconductor;

    niobium, copper indium sulfide nanoparticles having a diameter of 3 nm to 4.6 nm, wherein the copper indium sulfide nanoparticles are attached to a surface of the nanostructured titanium dioxide;

    molybdenum disulfide nanosheets, wherein the nanostructured titanium dioxide is in the form of nanotubes and the titanium dioxide nanotubes are coated by the molybdenum disulfide nanosheets; and

    cadmium sulfide nanoparticles having a diameter of about 3 nm to about 5 nm, wherein the nanostructured titanium dioxide is in the form of nanotubes and the titanium dioxide nanotubes are coated by the cadmium sulfide nanoparticles.

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