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Synthesis and growth behavior of CeO2/ZrO2/LaAlO3 nanorods on hierarchical macroporous gamma-alumina monoliths
Xu, Xin1; Liu, Wenge1; Qi, Jian2,3; Han, Jiaye1; Wang, Jia4
2017-08-01
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号43期号:11页码:8300-8305
摘要Different kinds of metal oxide nanorods (CeO2, ZrO2 and LaAlO3) grown on hierarchical macroporous gamma-alumina monolith with excellent thermostability and mechanical strength are successfully synthesized by combining sol-gel method with boiled water-bath crystallization. Different kinds of metal oxide nanorods have different growth behavior. Monolayer stripe CeO2 nanorods with approximately equal length accumulated by nanoparticles covered mainly on the surface of the skeleton. Minor ZrO2 nanoparticles not only accumulated on the surface but also grew on hollow and conjunct part of the skeleton as well as the internal surface of the pore channels in a stagger and grid way. While the LaAlO3 crystal particles were grown mainly on the skeleton surface of alumina monolith but hardly any on the internal surface. In addition, the dipping time and temperature of metal ions have important effects on the nanoparticles morphology. The unique combination of excellent support and auxiliaries candidates can be used as promising functional materials in the field of heat/mass transfer, microchannel and separation especially in heterogeneous catalysis.
关键词Sol-gel Processes Ceo2/zro2/laalo3 Nanocomposites Functional Applications
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ceramint.2017.03.164
收录类别SCI
语种英语
关键词[WOS]SOL-GEL SYNTHESIS ; PHASE-SEPARATION ; METHANE COMBUSTION ; CATALYSTS ; NANOPARTICLES ; PERFORMANCE ; LA
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
项目资助者National Natural Science Foundation of China(51374083)
WOS记录号WOS:000401876000046
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22542
专题生化工程国家重点实验室
作者单位1.China Coal Informat Inst, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
4.Beijing Univ Chem Technol, Inst Automat, Beijing 10029, Peoples R China
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Xu, Xin,Liu, Wenge,Qi, Jian,et al. Synthesis and growth behavior of CeO2/ZrO2/LaAlO3 nanorods on hierarchical macroporous gamma-alumina monoliths[J]. CERAMICS INTERNATIONAL,2017,43(11):8300-8305.
APA Xu, Xin,Liu, Wenge,Qi, Jian,Han, Jiaye,&Wang, Jia.(2017).Synthesis and growth behavior of CeO2/ZrO2/LaAlO3 nanorods on hierarchical macroporous gamma-alumina monoliths.CERAMICS INTERNATIONAL,43(11),8300-8305.
MLA Xu, Xin,et al."Synthesis and growth behavior of CeO2/ZrO2/LaAlO3 nanorods on hierarchical macroporous gamma-alumina monoliths".CERAMICS INTERNATIONAL 43.11(2017):8300-8305.
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