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PREPARATION OF NANO-TUBULAR TITANIA SUBSTRATE WITH OXYGEN VACANCIES AND THEIR USE IN PHOTO-ELECTROLYSIS OF WATER

  • US 20090183994A1
  • Filed: 09/11/2006
  • Published: 07/23/2009
  • Est. Priority Date: 09/09/2005
  • Status: Abandoned Application
First Claim
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1. A method of making a nanotubular titania substrate having a titanium dioxide surface comprised of a plurality of vertically oriented titanium dioxide nanotubes containing oxygen vacancies, the method comprising the steps ofanodizing a titanium metal substrate in an acidified fluoride electrolyte under conditions sufficient to form a titanium oxide surface comprised of self-ordered titanium oxide nanotubes, andannealing the titanium oxide surface in a non-oxidating atmosphere.

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