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Published on: June 18, 2013
In situ Precursor-Template Route to Semi-Ordered NaNbO3 Nanobelt Arrays
1State Key Lab of Fine Chemicals, Department of Materials Science, Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116012, China.
Abstract:
We exploited a precursor-template route to chemically synthesize NaNbO3 nanobelt arrays. Na7(H3O)Nb6O19·14H2O nanobelt precursor was firstly prepared via a hydrothermal synthetic route using Nb foil. The aspect ratio of the precursor is controllable facilely depending on the concentration of NaOH aqueous solution. The precursor was calcined in air to yield single-crystalline monoclinic NaNbO3 nanobelt arrays. The proposed scheme for NaNbO3 nanobelt formation starting from Nb metal may be extended to the chemical fabrication of more niobate arrays.
