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Metal (Co 2+ , Ni 2+ , Cu 2+ , and Zn 2+ ) doped TiO 2 nanofibers were fabricated by a sol–gel method and an electrospinning technique using poly(methyl methacrylate) (PMMA) and titanium isopropoxide as precursors. Co, Ni, and Zn were found to promote the anatase–rutile (A–R) phase transformation, whereas Zn inhibited this process. The as-prepared catalysts...
Fe-doped TiO 2 nanofibers were fabricated by an electrospinning technique using poly(vinylpyrrolidine) and titanium isopropoxide as precursors. When the calcination temperature was increased, the crystallite size of the TiO 2 nanofibers increased. The Fe-doped TiO 2 nanofiber crystallites were larger than those of pure TiO 2 nanofibers because Fe promotes phase transformation...
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