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Facile synthesis of high dispersion gamma-Fe2O3-Au nanoparticles within mesoporous silica spheres
Song, Huiyu1; Zhang, Xiaona1; Zhang, Jiaxi1; Liu, Dandan1; Shu, Ting1; Yang, Xu2; Du, Li1; Liao, Shijun1
2015
Source PublicationRSC ADVANCES
Volume5Issue:62Pages:49914-49919
AbstractHigh dispersion gamma-Fe2O3 combined with Au nanoparticles (denoted as gamma-Fe2O3-Au NPs) coated by mesoporous silica spheres (denoted as m-SiO2) were synthesized by a facile one-pot method process. The dispersion of gamma-Fe2O3 seed is extremely important to the formation of gamma-Fe2O3-Au@m-SiO2 composite, by using a certain amount of neutral beta-CD as stabilizing agent, high dispersion gamma-Fe2O3 NPs with 16 nm can be prepared. Besides, different number of gamma-Fe2O3-Au NPs within composite can be tuned with the addition amount of gamma-Fe2O3 seed. TEM images showed the ordered morphology, good dispersion, and uniform particle size of gamma-Fe2O3-Au NPs inside composite. Furthermore, XRD, M-H curves and N-2 sorption characterization confirmed gamma-Fe2O3-Au@m-SiO2 composite possessed good magnetic property, uniform mesopore distribution and high surface area.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra07123b
WOS Subject ExtendedChemistry
WOS KeywordCOMPOSITES ; OXIDATION ; RELEASE ; SYSTEM ; SIO2
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000355987900012
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10508
Collection中国科学院广州能源研究所
Affiliation1.S China Univ Technol, Sch Chem & Chem Engn, Key Lab Fuel Cell Technol Guangdong Prov, Guangzhou 510641, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Song, Huiyu,Zhang, Xiaona,Zhang, Jiaxi,et al. Facile synthesis of high dispersion gamma-Fe2O3-Au nanoparticles within mesoporous silica spheres[J]. RSC ADVANCES,2015,5(62):49914-49919.
APA Song, Huiyu.,Zhang, Xiaona.,Zhang, Jiaxi.,Liu, Dandan.,Shu, Ting.,...&Liao, Shijun.(2015).Facile synthesis of high dispersion gamma-Fe2O3-Au nanoparticles within mesoporous silica spheres.RSC ADVANCES,5(62),49914-49919.
MLA Song, Huiyu,et al."Facile synthesis of high dispersion gamma-Fe2O3-Au nanoparticles within mesoporous silica spheres".RSC ADVANCES 5.62(2015):49914-49919.
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