A facile synthesis of multi metal-doped rectangular ZnO nanocrystals using a nanocrystalline metal-organic framework template

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A multi metal (M: Fe, Co, and Ni)-doped rectangular ZnO nanocrystal (r-ZnO:M) was synthesised using nanocrystalline metal-organic framework-5 (n-MOF-5). After calcination in air, M-inserted n-MOF-5 led to r-ZnO: M of the wurtzite crystal structure with a small amount (<1%) of spinel ZnM2O4 phase. The inserted metal atoms of r-ZnO:M, replacing the Zn atoms of the wurtzite ZnO structure, were well-dispersed throughout the nanocrystal. Density functional theory calculations not only confirm the structural stability of wurtzite r-ZnO:M and negligible contribution of spinel ZnM2O4 but also elucidate the experimentally observed increase of visible light absorbance and appearance of ferromagnetism upon metal atom doping.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2014-10
Language
English
Article Type
Article
Citation

NANOSCALE, v.6, no.19, pp.10995 - 11001

ISSN
2040-3364
DOI
10.1039/c4nr03424d
URI
http://hdl.handle.net/10203/192812
Appears in Collection
EEW-Journal Papers(저널논문)
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