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- W2361178049 abstract "Nitrogen and carbon co-doped TiO2 nanocrystalline(N-C-TiO2) photocatalyst was prepared by a new method of sol-gel process using titanium n-butoxide[Ti(OC4H9)4] as raw materials,acetic acid(HAc) as a modifier,and ammonium carbonate(C2H11N3O5) as solid substrates.The samples were characterized by thermogravimetric analysis(TGA),transmission electron microscopy(TEM),X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS) and N2 adsorption-desorption isotherms analysis.The hydrous TiO2 particles were deposited onto the surface of ultrafine ammonium salt particles during hydrolysis of Ti(OC4H9)4.When the complex dry gel was calcined at lower temperature(300 ℃),the hydrous TiO2 particles dehydrated and crystallized,and the N and C atoms diffuse into crystal lattice of TiO2.The thermal dissociation of ammonium salt can control the particle size and inhibit the agglomeration of anatase TiO2 in the calcining process and simultaneously enhance phase transformation from amorphous TiO2 to anatase phase.The N-C-TiO2 samples have smaller particle sizes,lower agglomeration and large specific surface area,which exhibit significantly higher photocatalytic activity than the P25 on the degradation of rhodamine B(RB) in water under visible light irradiation." @default.
- W2361178049 created "2016-06-24" @default.
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- W2361178049 date "2012-01-01" @default.
- W2361178049 modified "2023-09-27" @default.
- W2361178049 title "Preparation and Visible Light Photocatalytic Properties of Nitrogen and Carbon Co-doped TiO_2 Nanocrystalline" @default.
- W2361178049 hasPublicationYear "2012" @default.
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