Synthesis of a multinanoparticle-embedded core/mesoporous silica shell structure as a durable heterogeneous catalyst

Wang, Lijun, Shi, Jianlin, Zhu, Yan, He, Qianjun, Xing, Huaiyong, Zhou, Jian, Chen, Feng and Chen, Yu (2012) Synthesis of a multinanoparticle-embedded core/mesoporous silica shell structure as a durable heterogeneous catalyst. Langmuir, 28 11: 4920-4925. doi:10.1021/la2045898


Author Wang, Lijun
Shi, Jianlin
Zhu, Yan
He, Qianjun
Xing, Huaiyong
Zhou, Jian
Chen, Feng
Chen, Yu
Title Synthesis of a multinanoparticle-embedded core/mesoporous silica shell structure as a durable heterogeneous catalyst
Journal name Langmuir   Check publisher's open access policy
ISSN 0743-7463
1520-5827
Publication date 2012-03-20
Year available 2012
Sub-type Article (original research)
DOI 10.1021/la2045898
Volume 28
Issue 11
Start page 4920
End page 4925
Total pages 6
Place of publication Washington, DC United States
Publisher American Chemical Society
Language eng
Abstract A multi-nanoparticle-embedded amorphous aluminum/magnesium oxides (AAMO) core/mesoporous silica (mSiO 2) shell structure has been successfully synthesized by calcining the presynthesized catalyst precursor-containing layered double hydroxide (LDH) core/mesoporous silica shell composite. The well-dispersed catalytic nanoparticles were fixed at the interface between AAMO core and mesoporous SiO 2 shell, i.e., at the inner pore mouths of the mesoporous SiO 2 shell, which could effectively prevent nanoparticles from growth and/or aggregation with each other and in the meantime allow efficient access of reactants to the catalytic NPs. The final core/shell composite was found to be an efficient and highly recyclable heterogeneous catalyst.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemical Engineering Publications
 
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