Enhancing the visible light absorption of titania nanoparticles by S and C doping in a single-step process
Applied Surface Science(2014)
摘要
•S-doped TiO2 nanoparticles were synthesized by the single step laser pyrolysis.•TiCl4, (CH3)2S2 and O2 from air were the precursors and C2H4 was the sensitizer.•Different S (1.35–1.54at%) and C (13.49–17.34at%) concentrations were found.•Doped samples have a lower bandgap energy (Eg=2.7eV) than the P25 Degussa.
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关键词
Laser pyrolysis,Nanoparticles,C,S-modified TiO2,Band gap energy,UV–Vis spectroscopy
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