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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
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume43Issue:11Pages:8300-8305
Abstract

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.

KeywordSol-gel Processes Ceo2/zro2/laalo3 Nanocomposites Functional Applications
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ceramint.2017.03.164
Indexed BySCI
Language英语
WOS KeywordSol-gel Synthesis ; Phase-separation ; Methane Combustion ; Catalysts ; Nanoparticles ; Performance ; La
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Natural Science Foundation of China(51374083)
WOS IDWOS:000401876000046
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22542
Collection生化工程国家重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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