期刊
NANOTECHNOLOGY
卷 20, 期 47, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/20/47/475603
关键词
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资金
- Key Project of the Ministry of Education of China [108097]
- COSTIND
- Ministry of Education of China [A1420060185]
This paper describes a facile solvothermal method to synthesize self-assembled three-dimensional (3D) Ni2+-Fe3+ layered double hydroxides (LDHs). Flower-like Ni2+-Fe3+ LDHs constructed of thin nanopetals were obtained using ethylene glycol (EG) as a chelating reagent and urea as a hydrolysis agent. The reaction mechanism and self-assembly process are discussed. After calcinating the as-prepared LDHs at 450 degrees C in nitrogen gas, porous NiO/NiFe2O4 nanosheets were obtained. This work resulted in the development of a simple, cheap, and effective route for the fabrication of large area Ni2+-Fe3+ LDHs as well as porous NiO/NiFe2O4 nanosheets.
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