Ag was deposited by H 2 reduction on the surface of TiO 2 nanoparticles. The results of SEM, XRD and UV-vis show that Ag distributes uniformly on the TiO_2 surface and the Einstein shift can be observed clearly in the UV-vis adsorption spectrum.
英
美
- 用H2氣還原法制備了表面沉積Ag的納米TiO2,通過(guò)對樣品SEM、XRD、UV Vis漫反射光譜分析,結 果表明,金屬Ag在TiO2表面呈細小而均勻的分布,UV Vis光譜上的吸收閾值顯著(zhù)紅移。