Nacre-like calcium carbonate controlled by ionic liquid/graphene oxide composite template

被引：14
作者：
Yao, Chengli [1 ,2 ]
Xie, Anjian [1 ]
Shen, Yuhua [1 ]
Zhu, Jinmiao [2 ]
Li, Hongying [2 ]
机构：
[1] Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Anhui, Peoples R China
[2] Hefei Normal Univ, Sch Chem & Chem Engn, Hefei 230601, Anhui, Peoples R China
来源：
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS | 2015年 / 51卷
关键词：
Calcium carbonate; Ionic liquid; Graphene oxide; Polymorphism; Morphology; GRAPHENE; LIQUIDS; NANOPARTICLES; HYDROXYAPATITE; NANOCOMPOSITES; NANOSHEETS; CRYSTALS; GROWTH; FILMS;
D O I：
10.1016/j.msec.2015.02.009
中图分类号：
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号：
0805 ; 080501 ; 080502 ;
摘要：
Nacre-like calcium carbonate nanostructures have been mediated by an ionic liquid (IL)-graphene oxide (GO) composite template. The resultant crystals were characterized by scanning electron microscopy (SEM), Fourier transform infrared (Fr-IR) spectroscopy, and X-ray powder diffractometry (XRD). The results showed that either 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM]BF4) or graphene oxide can act as a soft template for calcium carbonate formation with unusual morphologies. Based on the time-dependent morphology changes of calcium carbonate particles, it is concluded that nacre-like calcium carbonate nanostructures can be formed gradually utilizing [BMIM]BF4/GO composite template. During the process of calcium carbonate formation, [BMIM]BF4 acted not only as solvents but also as morphology templates for the fabrication of calcium carbonate materials with nacre-like morphology. Based on the observations, the possible mechanisms were also discussed. (C) 2015 Elsevier BM. All rights reserved.
引用
收藏
页码：274 / 278
页数：5
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