柔软的球状和长方体状氧化硅中空结构的制备研究

doi:10.7517/j.issn.1674-0475.2010.01.59

影像科学与光化学 ›› 2010, Vol. 28 ›› Issue (1): 59-64.DOI: 10.7517/j.issn.1674-0475.2010.01.59

柔软的球状和长方体状氧化硅中空结构的制备研究

陈学成^1,2, 王航^1,2, 张珅¹, 何溥¹, 贺军辉¹

1. 中国科学院, 理化技术研究所, 功能纳米材料研究室, 北京, 100190;
2. 中国科学院, 研究生院, 北京, 100049

收稿日期:2009-09-08 修回日期:2009-11-04 出版日期:2010-01-23 发布日期:2010-01-23
通讯作者: 贺军辉
基金资助:
国家自然科学基金资助项目(10776034)

Facile Preparation of Soft Spherical and Cuboid-Like Silica Hollow Structures

CHEN Xue-cheng^1,2, WANG Hang^1,2, ZHANG Shen¹, HE Pu¹, HE Jun-hui¹

1. Functional Nanomaterials Laboratory, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R.China;
2. Graduate School of Chinese Academy of Sciences, Beijing 100049, P.R.China

Received:2009-09-08 Revised:2009-11-04 Online:2010-01-23 Published:2010-01-23

摘要/Abstract

摘要： 采用自组装形成的芘纳米结构作为模板,成功地制备了柔软的球状和长方体状氧化硅中空结构.当不同量的芘在十六烷基三甲基溴化铵(CTAB)溶液中自组装时,产生的自组装结构展现出明显的从球状到长方体状的形貌变化.这些结构被用作氧化硅前驱体溶胶-凝胶反应的模板,获得了球状和长方体状氧化硅/芘复合结构.通过乙醇除去模板后,生成了柔软的球状(直径约为400nm)和长方体状(长为0.5—2.5μm)的氧化硅中空结构.这些结果展现了采用有机纳米结构作为模板来合成无机中空结构的优势:合成简便、结构多样以及结构形貌的灵活可控.

关键词: 芘, 氧化硅中空球, 氧化硅长方体状中空结构, 自组装

Abstract: Soft spherical and cuboid-like silica hollow structures were successfully fabricated using self-assembled pyrene nanostructures as template.When different amounts of pyrene self-assembled in CTAB solution,resultant self-assembled structures showed notable morphological changes from spheres to cuboids.These templates were employed for their sol-gel transcription of silica.As a result, transcribed silica structures of spheres to cuboids were obtained depending on the volume fraction of pyrene.The template was eventually removed by ethanol,giving soft spherical(ca.400 nm in diameter) and cuoboid-like(0.5—2.5μm in length) silica hollow structures.These results displayed the advantages of using organic nanostructures as template for fabrication of inorganic hollow structures in terms of easy syntheses,diverse structures,and flexibility of controlling the morphologies of inorganic structures.

Key words: pyrene, hollow silica sphere, cuboid-like silica hollow structure, self-assembly

中图分类号:

陈学成, 王航, 张珅, 何溥, 贺军辉. 柔软的球状和长方体状氧化硅中空结构的制备研究[J]. 影像科学与光化学, 2010, 28(1): 59-64.

CHEN Xue-cheng, WANG Hang, ZHANG Shen, HE Pu, HE Jun-hui. Facile Preparation of Soft Spherical and Cuboid-Like Silica Hollow Structures[J]. Imaging Science and Photochemistry, 2010, 28(1): 59-64.

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柔软的球状和长方体状氧化硅中空结构的制备研究

Facile Preparation of Soft Spherical and Cuboid-Like Silica Hollow Structures

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