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Mechanochemical reaction method was used for preparing fluorine-doped SrTiO 3 and the influences of several parameters on the visible light photocatalysis of the samples were studied. In the samples of 5 mol% SrF 2 -SrTiO 3 ground for 10-240 min, the sample ground for 60 min showed the highest capability for the elimination of NO. The postgrinding heat treatment at appropriate...
Nitrogen-doped titania was prepared by planetary ball milling of P-25 titania with ammonium carbonate. The effects of reaction conditions on the phase composition, particle size, optical property, and photocatalytic activity were investigated in detail. The high mechanical energy accelerated the phase transformation of anatase to brookite and rutile. The prepared powders possessed two absorption edges...
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