Determination of the point of zero charge of composite oxides

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	Determination of the point of zero charge of composite oxides
	S. Subramanian ; J. S. Noh and J. A. Schwarz
发表期刊	Journal of Catalysis
	1988
卷号	114 期号:2 页码:433-439
英文摘要	The variation of the point of zero charge (pzc) as a function of dopant concentration in a composite oxide system has been examined. For the model system, titania-alumina, the surface charge development of the composite material varies systematically in accordance with the relative proportion of each of the pure phases in the composite. The pzc of these composites as well as physical mixtures of TiO2 and A12O3 were determined by mass titration. A model is proposed to explain the results obtained on the basis of a highly dispersed dopant phase. The cluster size estimated from this model is consistent with those estimated by X-ray diffraction analysis. The surface area contributed by each of the individual oxides forming the composite determines the pzc for this composite oxide system.
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/4493
专题	科研共享资源
推荐引用方式 GB/T 7714	S. Subramanian,J. S. Noh and J. A. Schwarz. Determination of the point of zero charge of composite oxides[J]. Journal of Catalysis,1988,114(2):433-439.
APA	S. Subramanian,&J. S. Noh and J. A. Schwarz.(1988).Determination of the point of zero charge of composite oxides.Journal of Catalysis,114(2),433-439.
MLA	S. Subramanian,et al."Determination of the point of zero charge of composite oxides".Journal of Catalysis 114.2(1988):433-439.

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