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	Acidities of CeO2 and Ce0.5Zr0.5O2 solid solutions studied by NH3-TPD
	Miao, JY ; Yang, LF ; Yang LF(杨立夫) ; Cai, JX
	1999-08-06
关键词	CeO2 Ce0.5Zr0.5O2 TPD methane combustion acidity
英文摘要	Ammonia temperature-programmed desorption (NH3-TPD) was used to study the acidities of CeO2 and Ce0.5Zr0.5O2 solid solutions. The NH3-TPD peaks of bath CeO2 and Ce0.5Zr0.5O2 exist at 100-850 degrees C. The ratio of the lower and middle temperature peak areas to the higher temperature peak is decreased for Ce0.5Zr0.5O2 relative to CeO2 under all pretreatment conditions, which suggests that Ce0.5Zr0.5O2 has more acid sites of higher energy than CeO2, This may be one of the reasons why Ce0.5Zr0.5O2 is a more highly efficient catalyst for methane combustion than CeO2, Copyright (C) 1999 John Whey & Sons, Ltd.
语种	英语
出版者	JOHN WILEY & SONS LTD
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1002/(SICI)1096-9918(199908)28:1<123::AID-SIA632>3.0.CO;2-6]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Miao, JY,Yang, LF,Yang LF,et al. Acidities of CeO2 and Ce0.5Zr0.5O2 solid solutions studied by NH3-TPD[J],1999.
APA	Miao, JY,Yang, LF,杨立夫,&Cai, JX.(1999).Acidities of CeO2 and Ce0.5Zr0.5O2 solid solutions studied by NH3-TPD..
MLA	Miao, JY,et al."Acidities of CeO2 and Ce0.5Zr0.5O2 solid solutions studied by NH3-TPD".(1999).

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