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[交流] 求助XRD图的分析

原文献：5.pdf
求助部分文献讲解：

Characterization
From the ICP measurments, the amount of Ru loaded on Ru/
TiO2(B), Ru/TiO2(W) and Ru/TiO2(G) were determined to be
0.80, 0.75, and 3.60 wt%, respectively.
The prepared Ru/TiO2 catalysts were subjected to physical
characterization. XRD measurements on Ru/TiO2(W) (shown in
Fig. 2(C)) showed the presence of diffraction signals attributed to
metallic Ru (JCPDS 06-0663) at 42.15 and 44.00 (CuKa), along
with diffraction signals for TiO2 with the anatase structure
(JCPDS 83-2243, Fig. 2(A)). Although definitive diffraction
signals assignable to metallic Ru were observed in the XRD
pattern of Ru/TiO2(G) (Fig. 2(D)), the signals were slightly
broader than those of Ru/TiO2(W). Signals corresponding to Ru
oxide were not observed. In the case of Ru/TiO2(B), on the other
hand, only signals corresponding to TiO2 were obtained
(Fig. 2(B)). However, XPS studies on Ru/TiO2(B) showed
a signal with a binding energy of 279.5 eV; no signal attributed to
Ru oxides4,8 was observed, indicating that metallic Ru was
present on the TiO2.

http://pubs.rsc.org | doi:10.1039/B817740F
这个图说明了什么意思呢？

[ 来自科研家族木虫催化 ]

[ Last edited by 18298414700 on 2012-3-15 at 12:05 ]

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