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Hydrothermal synthesis of nanocubes of sillenite type compounds for photovoltaic applications and solar energy conversion of carbon dioxide to fuels

  • US 8,709,304 B2
  • Filed: 12/14/2010
  • Issued: 04/29/2014
  • Est. Priority Date: 12/14/2009
  • Status: Expired due to Fees
First Claim
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1. A method of making bismuth titanate nanocubes comprising:

  • reacting titanium dioxide nanotubes with a bismuth salt in an acidic bath at a temperature sufficient and for a time sufficient to form bismuth titanate crystals having the formula Bi12TiO20, where Bi is bismuth;

    Ti is titanium or a fraction thereof between 0 and 1; and

    O is oxygen; and

    annealing the bismuth titanate crystals to form bismuth titanate nanocubes,wherein the acidic bath has a bismuth salt concentration of from about 0.1M to 3M.

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