期刊
NANOSCALE RESEARCH LETTERS
卷 11, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/s11671-016-1338-4
关键词
CaCO3; Nanoflower; Electric field
资金
- Basic Key Program of Applied Basic Research of Science and Technology Commission Foundation of Hebei Province in China [14961108D, 15961005D]
- Open Project of State Key Laboratory of New Ceramic and Fine Processing, Tsinghua University [KF201410]
The role of electric field is investigated in determining the structure, morphology, and crystallographic characteristics of CaCO3 nanostructures crystallized from solution. It is found that the lattice structure and crystalline morphology of CaCO3 can be tailed by the electric field applied to the solution during its crystallization. The calcite structure with cubic-like morphology can be obtained generally without electric field, and the vaterite structure with the morphology of nanorod is formed under the high electric field. The vaterite nanorods can be piled up to the petaliform layers. Both the nanorod and the petaliform layer can have mesocrystal structures which are piled up by much fine units of the rods with the size of several nanometers. Beautiful rose-like nanoflowers can be self-arranged by the petaliform layers. These structures can have potential application as carrier for medicine to involve into metabolism of living cell.
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