Photocatalytic Degradation of Rhodamine B by Anchored TiO2 Nanowires
Rutile TiO2 nanowires anchored on silica were fabricated by annealing TiO2 nanoparticles dispersed on silicon or quartz substrate by means of a polystyrene nanosphere monolayer template at 1000 °C for 1 h without any catalyst. The diameter and length of the
nanowires were 30–80 nm and 1–3 μm, respectively. The growth direction of the nanowires is [112]. The photocatalytic activities of TiO2 nanoparticles and anchored nanowires were evaluated. TiO2 nanowires had higher photocatalytic activity for rhodamine
B than TiO2 nanoparticles.
Keywords: NANOPARTICLES; NANOWIRES; PHOTOCATALYSIS; POLYSTYRENE NANOSPHERE; TIO2
Document Type: Research Article
Publication date: 01 January 2011
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