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Honeycomb-like NiO with nanogrooves was prepared by impregnating electrospun polyacrylonitrile (PAN) nanofibrous webs with nickel acetate solution and subsequent calcination. The products showed honeycomb-like structures with a pore size ranging 0.6–3.0 μm and contained many semicircular nanogrooves of 100–200 nm in width. The honeycomb-like pores originated from the interspaces between the nanofibers...
TiO 2 -coated active carbon (TiO 2 /AC) was prepared by a properly controlled sol–gel method with a subsequent heat treatment. Photoactivity of the TiO 2 /AC composites was performed by the decomposition of Rhodamine B in aqueous solution under UV irradiation. The results indicate that TiO 2 /AC has a higher efficiency in decomposition of Rhodamine B than pure TiO ...
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