The photocatalytic effects of 4 samples, which TiO2 layer uniformly coated on Al fiber, are
evaluated by NOx removal. An anatase TiO2 coating with good crystal quality and high Ti content
exhibits the best photocatalytic effect on NOx removal. It is coincidence with the results of XRD, XPS
results for 4 samples. The photocatalytic ability is enhanced by the introduction of H2O2 due to the
formation of large amount OH radicals.
ABSTRACTSilicon layers grown by molecular beam epitaxy, using both direct resistive heating and indirect radiant heating of the substrate, have been evaluated by photoluminescence measurements, diode I-V characterization, and chemical etching tests. The results show that large densities of defects could be introduced when resistively heated substrates were experiencing thermo-mechanical stress. Films with good crystal quality were grown using a carefully designed radiant type heater.
Laser assisted imprint of silicon nanostructure with good crystal quality