Characterization of size and morphology of ZnO and Fe<sub>2</sub>O<sub>3</sub> nanoparticles in dispersive media by SAXS

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Characterization of size and morphology of ZnO and Fe₂O₃ nanoparticles in dispersive media by SAXS

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- Characterization of size and morphology of ZnO and Fe₂O₃ nanoparticles in dispersive media by SAXS
- NUCLEAR TECHNIQUES Issue 7, (2007)
- 作者机构：
  
  1. 中国科学院高能物理研究所多学科研究中心核分析技术开放重点实验室及国家纳米中心—高能物理研究所纳米生物效应联合开放实验室
  2. 同步辐射国家实验室
  3. 北京100049 中国科学院研究生院北京,100049
- 作者简介：
- 基金信息：
  
  国家自然基金(10490180、20475055、10675139);科技部973项目(2006CB705600);科学院重要方向性项目资助
- DOI：
  CLC： O434.14
- Published：01 July 2007
- 稿件说明：
移动端阅览
[1]汪冰,荆隆,丰伟悦,邢更妹,王萌,朱墨桃,欧阳宏,赵宇亮,吴忠华.同步辐射X射线小角散射法研究纳米ZnO和Fe_2O_3颗粒在分散介质中的尺寸和形态[J].核技术,2007(07):576-579.

WANG Bing1, 2 JING Long1 FENG Weiyue1 XING Gengmei1 WANG Meng 1, 2 ZHU Motao1, et al. Characterization of size and morphology of ZnO and Fe₂O₃ nanoparticles in dispersive media by SAXS[J]. Nuclear techniques, 2007, (7): 576-579.
[1]汪冰,荆隆,丰伟悦,邢更妹,王萌,朱墨桃,欧阳宏,赵宇亮,吴忠华.同步辐射X射线小角散射法研究纳米ZnO和Fe_2O_3颗粒在分散介质中的尺寸和形态[J].核技术,2007(07):576-579. DOI：

WANG Bing1, 2 JING Long1 FENG Weiyue1 XING Gengmei1 WANG Meng 1, 2 ZHU Motao1, et al. Characterization of size and morphology of ZnO and Fe₂O₃ nanoparticles in dispersive media by SAXS[J]. Nuclear techniques, 2007, (7): 576-579. DOI：

摘要

为了准确评价纳米材料在生物体系中的作用

首先需要表征纳米材料在生物体系相关条件下的尺寸和团聚状态。本文应用同步辐射X射线小角散射技术测量了纳米ZnO和Fe2O3颗粒在1%羧甲基纤维素钠悬浮液中的粒径和形状

并与透射电镜的结果进行了比较。结果表明纳米颗粒在分散介质会发生聚集

聚集后的粒径大于单颗粒纳米ZnO和Fe2O3的粒径

但ZnO和Fe2O3在介质中的粒径未随着浓度的升高发生显著变化

表明纳米ZnO和Fe2O3颗粒在1%的羧甲基纤维素钠溶液中稳定。

Abstract

The size and shape of ZnO and Fe2O3 nano-particles in 1% sodium carboxy methyl cellulose were meas-ured by small-angle X-ray scattering(SAXS) of synchrotron radiation.Compared with the TEM results

the SAXS results indicated that the ZnO and Fe2O3 nano-particles in 1% sodium carboxy methyl cellulose were agglomerated.However

the size and shape of the agglomerated particles were almost unchanged along with the increase of particle concentration

indicating that the particles in 1% sodium carboxy methyl cellulose were stable.

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