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双尺寸胶体晶体的制备及其结构表征

伍媛婷 王秀峰 李二元 谢利民

人工晶体学报2013,Vol.42Issue(1):42-46,5.
人工晶体学报2013,Vol.42Issue(1):42-46,5.

双尺寸胶体晶体的制备及其结构表征

Preparation and Structure Characterization of Binary Colloidal Crystals

伍媛婷 1王秀峰 1李二元 1谢利民1

作者信息

  • 1. 陕西科技大学教育部轻化工助剂化学与技术重点实验室,西安710021
  • 折叠

摘要

Abstract

Binary colloidal crystals were prepared by the vertical deposition method. Various binary SiO2 colloidal crystals were successfully obtained. The micromorphology was characterized by field emission scanning electron microscope (FE-SEM). The formation of binary colloidal crystals was studied. The effects of particle size ratio and volume ratio on the structure of binary colloidal crystals were discussed. The results show that with a low particle size ratio the obtained binary colloidal crystal has a low degree of order. With increasing the particle size of large spheres, the volume ratio increases for obtaining the same binary colloidal crystal structure.

关键词

胶体晶体/双尺寸/二氧化硅微球/自组装

Key words

colloidal crystals/ binary/ SiO2 microspheres/ self-assembly

分类

化学化工

引用本文复制引用

伍媛婷,王秀峰,李二元,谢利民..双尺寸胶体晶体的制备及其结构表征[J].人工晶体学报,2013,42(1):42-46,5.

基金项目

国家自然科学基金(51272149) (51272149)

陕西省自然科学基金(2010JQ6006) (2010JQ6006)

人工晶体学报

OA北大核心CSCDCSTPCD

1000-985X

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