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xinshuang

银虫 (初入文坛)

[求助] TEM XRD 不一致,H2-TPR表述 求解答

问题1  XRD中没有明显特征峰,为宽泛弥散峰,但TEM中颗粒分布为1-15nm,有聚集,想解释为TEM看的是颗粒,颗粒有许多晶粒组成,但找不到文献支持,麻烦哪位能提供相关英文文献。
问题2,XRD中如此表述是否恰当,it should be noted that the characteristic peaks of catalyst became wider and weaker because the grain size of the catalyst is very small, short-range order and long-range disorder, indicating that --- species disperse in monolayers or amorphous phase on the surface of carrier.   如果可以是否有文献支持。
问题3,H2-TPR    中有一个大峰,是否可以说  It is also found that only one reduction peak appeared in the H2-TPR spectrum indicating the similar adsorption and diffusion of hydrogen and the process of reduction simultaneously  , which improve the uniformity of the particle size. 如果可以有没有文献支持
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13407111258

新虫 (初入文坛)

这个貌似有些矛盾,一个没有特征峰,即是分散性很好,电镜的颗粒直径也比较明显!

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2楼2015-11-17 10:23:06
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