Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 509, Issue 33, Pages 8382-8386Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2011.05.073
Keywords
Hollow cubes; Self-assembly; Solvothermal; Magnetic properties
Categories
Funding
- 973 Project [2007CB613403]
- 863 Project [2007AA02Z476]
- NSFC [50802086]
- China Postdoctoral Science Foundation [20090461350]
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Cobalt-iron cyanide hollow cubes have been synthesized via a poly(vinylpyrrolidone) assisted solvothermal route. A unique formation process: self-assembly followed by Ostwald ripening process, has been put forward to take account for the construction of hollow cubes. The rod-like nanocrystals first assemble as porous cubes via an oriented attachment process. Then, the porous cubes undergo an Ostwald-ripening process, which create interior spaces and result in the formation of hollow cubes. The magnetic property investigation reveals that K0.22Co0.58Fe2.2(CN)(6) hollow cubes exhibit a ferromagnetic behavior. (C) 2011 Elsevier B. V. All rights reserved.
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