Synthesis and study of calcium phosphate nanowires in microemulsion

LAI Chen; TANG Shaoqiu; WANG Yingjun; WEI Xiaokun; ZHANG Shiying

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Synthesis and study of calcium phosphate nanowires in microemulsion

更新时间：2025-12-10

- Synthesis and study of calcium phosphate nanowires in microemulsion
- CIESC Journal Issue 5, Pages: 942-946(2005)
- 作者机构：
  
  1. 湖南大学材料科学与工程学院,湖南,长沙,410082
  2. 华南理工大学材料科学与工程学院,广东,广州,510641
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 May 2005，
  
  Published：25 May 2005
- 稿件说明：
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LAI Chen, TANG Shaoqiu, WANG Yingjun, et al. Synthesis and study of calcium phosphate nanowires in microemulsion[J]. CIESC Journal, 2005, (5): 942-946.
DOI：

LAI Chen, TANG Shaoqiu, WANG Yingjun, et al. Synthesis and study of calcium phosphate nanowires in microemulsion[J]. CIESC Journal, 2005, (5): 942-946. DOI：

摘要

分别以非离子表面活性剂（C12E8）和阳离子表面活性剂（CTAB）为模板剂，在反微乳体系中制备了磷酸钙纳米纤维.在水/C12E8/环己烷体系中纤维长约为325 nm

宽约为13 nm

为无定形态;在水/CTAB/环己烷体系中纳米纤维的长度>500 nm

宽度约为14 nm，结晶较完全.两种表面活性剂的作用机理完全不同：在非离子表面活性剂体系中，表面活性剂主要起到“微反应器”的作用;而在阳离子表面活性剂中，表面活性剂主要起到“生长引导剂”作用.

Abstract

Calcium phosphate nanowires could be obtained in the reverse microemulsions of nonionic surfactant and ionic surfactant. Amorphous calcium phosphate nanowires with 325 nm in length and 13 nm in width could be prepared in water/ C12E8(polyethylene glycol alkyl ethers)/cyclohexane system while well-crystallized calcium phosphate with 500 nm in length and 14 nm in width could be prepared in the system of water/CTAB(cetyltrimethy lammonium bromide)/cyclohexane. However

the mechanism of the growth of crystal in these two kinds of system was entirely different.C12E8 in reverse microemlusion played a role of “microreactor”.With the assistance of CTAB

well-crystallized calcium phosphate nanowires could be obtained

in which surfactant CTAB acted as guiding the growth direction

but not serving as microreactors.

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