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ÔÚСľ³æÉÏ×¢²á¸öÕË»§£¬½«Õâ¶Î»°£¬To confirm that the Pt nanoparticles could be definitely encapsulated inside the pores of SiO2, ultraviolet-visible spectroscopy using various sizes of thiol compounds to adsorb on Pt-zeolite surface to observe the absorption spectra of the interaction between the thiol compound and Pt nanoparticle. This technique might be useful to identify the location of Pt nanoparticles in the Pt@SiO2 by using different size of thiol compound. ·¢×ÔСľ³æIOS¿Í»§¶Ë |
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