Titanium dioxide photocatalytic compositions and uses thereof
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United States of America Patent
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Jul 19, 2016
Grant Date -
Sep 3, 2015
app pub date -
May 15, 2015
filing date -
May 4, 2011
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Abstract
Provided is a photocatalytic composition comprising zinc (Zn) doped titanium dioxide (TiO2) nanoparticles, wherein the ratio of titanium dioxide nanoparticles to zinc is from about 5 to about 150. The photocatalytic composition absorbs electromagnetic radiation in a wavelength range from about 200 nm to about 500 nm, and the absorbance of light of wavelengths longer than about 450 nm is less than 50% the absorbance of light of wavelengths shorter than about 350 nm.
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