Journal
MATERIALS LETTERS
Volume 253, Issue -, Pages 144-147Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2019.06.059
Keywords
Porous materials; Magnetic materials; Hydroxyapatite; Nanocage; Selective adsorption; Heavy metal ions
Funding
- Science and Technology Project of the Education Department of Jiangxi Province of China [GJJ181097]
- National Key R&D Program of China [2016YFC0209305]
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Fe-doped hydroxyapatite (HA) nanocages were firstly synthesized using cheap and readily available potassium mono-dodecyl phosphate as the micelle template agent. The incorporation of Fe into HA crystal lattices makes the hollow structure of Fe-doped HA nanocages resist the shrinkage caused by calcination. The obtained Fe-doped HA nanocages have a size of 80-100 nm, a mesoporous shell with a thickness of 12 nm, a specific surface area of 80.1973 m(2)/g and a pore volume of 0.43298 cm(3)/g. The nanocages have a highly efficient and selective adsorption for Cd2+ as well as a superparamagnetic property. The magnetic characteristic and the outstanding adsorption property for heavy metal ions of Fe-doped HA nanocages provide evidence that the material has a great promise for wastewater treatment. (C) 2019 Elsevier B.V. All rights reserved.
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