Chin. J. Org. Chem. ›› 2019, Vol. 39 ›› Issue (2): 550-554.DOI: 10.6023/cjoc201808002 Previous Articles     Next Articles

Special Issue: 荧光探针-生物传感合辑 有机超分子化学合辑

Notes

快速溶剂交换法制备疏水性二氧化硅气凝胶及其负载有机荧光探针的应用研究

王亚飞a, 张涛a,b, 郭旭东a, 胡睿a, 王双青a, 杨国强a   

  1. a 中国科学院化学研究所光化学重点实验室 中国科学院大学 北京 100190;
    b 中国科学院深圳先进技术研究院先进材料中心 深圳 518055
  • 收稿日期:2018-08-05 修回日期:2018-09-06 出版日期:2019-02-25 发布日期:2018-09-26
  • 通讯作者: 王双青, 杨国强 E-mail:g1704@iccas.ac.cn;gqyang@iccas.ac.cn
  • 基金资助:

    国家自然科学基金(Nos.21873106,21627802)资助项目.

Preparation of Hydrophobic SiO2 Aerogel by Rapid Solvents Exchange Method and Its Application Loaded with Organic Fluorescence Probe

Wang Yafeia, Zhang Taoa,b, Guo Xudonga, Hu Ruia, Wang Shuangqinga, Yang Guoqianga   

  1. a Key Laboratory of Photochemistry, Institute of Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190;
    b Center of Advanced Material Research, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055
  • Received:2018-08-05 Revised:2018-09-06 Online:2019-02-25 Published:2018-09-26
  • Contact: 10.6023/cjoc201808002 E-mail:g1704@iccas.ac.cn;gqyang@iccas.ac.cn
  • Supported by:

    Project supported by the National Natural Science Foundation of China (Nos. 21873106, 21627802).

Aerogel is a kind of gel materials, of which the fluid phase is gas. Aerogel has the characteristics of low density and high porosity, and has a wide application prospects. In this work, a rapid solvents exchange method was developed, and using in-situ secondary extraction, rapid solvents exchange in aerogel preparation was achieved through the miscibility and immiscibility of ethanol-dichloromethane-water. Combined with hydrophobic treatment and vacuum drying, hydrophobic silica aerogel was obtained. The aerogel had a low density and a contact angle with water of 155.8°. The aerogel can load various organic fluorescent probe dyes, which can effectively avoid the fluorescence quenching caused by the aggregation of the probe molecules, which it will expand the practical application range of the organic fluorescent probes in wider fields.

Key words: aerogel, organic fluorescence probe, preparation, rapid solvents exchange method, application