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From nanoparticles to nanorods: Insights into the morphology changing mechanism of ceria
Wang, Yao1,2; Su, Hong-Jiu1; Hua, Qiu-Ru3; Wang, Shu-Dong1
Corresponding AuthorSu, Hong-Jiu(suhj@dicp.ac.cn) ; Wang, Shu-Dong(wangsd@dicp.ac.cn)
KeywordCeria Morphology Cerium hydroxide Oxidation Nitrate ions
Source PublicationCERAMICS INTERNATIONAL
2018-12-15
ISSN0272-8842
DOI10.1016/j.ceramint.2018.08.025
Volume44Issue:18Pages:23232-23238
Funding ProjectYouth Innovation Promotion Association of CAS
Funding OrganizationYouth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS
WOS SubjectMaterials Science, Ceramics
WOS Research AreaMaterials Science
WOS KeywordCEO2 ; CATALYSTS ; SHAPE ; OXIDE ; NANOSCALE
AbstractIt is of significant importance for the applications to controllably and facilely synthesize ceria with tunable morphology and exposed surfaces. A series of nanosized ceria with different morphology have been synthesized by a simple precipitation method under an inert atmosphere with no surfactant or template. nanoparticles and one-dimensional (1D) nanostructures of ceria have been prepared with Ce(NO3)(3) and CeCl3 as cerium precursor respectively. With different mole ratio of [Cl-: NO3-], the transition morphologies from nanoparticles to nanorods have been synthesized. The shape-controlling effect of these ions is due to their different roles in the oxidation of Ce(OH)(3) to Ce(OH)(4). The FT-IR analysis proves that the composite of Ce(OH)(3) could be oxidized by NO3- and the NO3- be reduced to NO. However, the existence of Cl- can inhibit the oxidizing capacity of NO3-. The anion induced controllable synthesis, which is a surfactant- and template-free facile precipitation method, provides a potential route for fabricating ceria nanostructures for its various applications.
Language英语
Funding OrganizationYouth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS
WOS IDWOS:000452345500151
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/166449
Collection中国科学院大连化学物理研究所
Corresponding AuthorSu, Hong-Jiu; Wang, Shu-Dong
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Wuxi Weifu Environm Catalysts Co Ltd, Wuxi 214028, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yao,Su, Hong-Jiu,Hua, Qiu-Ru,et al. From nanoparticles to nanorods: Insights into the morphology changing mechanism of ceria[J]. CERAMICS INTERNATIONAL,2018,44(18):23232-23238.
APA Wang, Yao,Su, Hong-Jiu,Hua, Qiu-Ru,&Wang, Shu-Dong.(2018).From nanoparticles to nanorods: Insights into the morphology changing mechanism of ceria.CERAMICS INTERNATIONAL,44(18),23232-23238.
MLA Wang, Yao,et al."From nanoparticles to nanorods: Insights into the morphology changing mechanism of ceria".CERAMICS INTERNATIONAL 44.18(2018):23232-23238.
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