Electric Field-Controlled Crystallizing CaCO3 Nanostructures from Solution
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- 作者：Jian Quan Qi ; Rui Guo ; Yu Wang ; Xuan Wen Liu…
- 关键词：CaCO3 ; Nanoflower ; Electric field
- 刊名：Nanoscale Research Letters
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：11
- 期：1
- 全文大小：2,693 KB
- 刊物主题：Nanotechnology; Nanotechnology and Microengineering; Nanoscale Science and Technology; Nanochemistry; Molecular Medicine;
- 出版者：Springer US
- ISSN：1556-276X
文摘
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.