A Study on Nanoscale Infrared Absorbent Working in Waveband Range of 1300-400 Cm(-1)
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY(2008)
摘要
Nanoscale powder of SiO2/Al2O3/TiO2 composite was prepared by sol-gel method. Microstructure and morphology of the obtained samples were characterized by infrared (IR), X-ray diffraction (XRD) analysis and transmission electron microscopy (TEM). It is proved that infrared absorbing peaks of the samples are in waveband range of 1300-400 cm(-1), and the peak shape changes with their component. Mechanism of the infrared peak's positions and shapes which changes with the size and morphology of the prepared nano-particles has been tentatively discussed.
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关键词
Nanoscale materials,Sol-gel method,Infrared absorbency
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