Citation: Wang Yafei, Zhang Tao, Guo Xudong, Hu Rui, Wang Shuangqing, Yang Guoqiang. Preparation of Hydrophobic SiO₂ Aerogel by Rapid Solvents Exchange Method and Its Application Loaded with Organic Fluorescence Probe[J]. Chinese Journal of Organic Chemistry, ;2019, 39(2): 550-554. doi: 10.6023/cjoc201808002 shu

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

Wang Yafei ^a,† ,
Zhang Tao ^a,b,† ,
Guo Xudong ^a ,
Hu Rui ^a ,
Wang Shuangqing ^a,, ,
Yang Guoqiang ^a,,

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

Corresponding author: Wang Shuangqing, g1704@iccas.ac.cn Yang Guoqiang, gqyang@iccas.ac.cn

^†

Received Date: 5 August 2018
Revised Date: 6 September 2018
Available Online: 26 February 2018
Fund Project: the National Natural Science Foundation of China 21627802Project supported by the National Natural Science Foundation of China (Nos. 21873106, 21627802)the National Natural Science Foundation of China 21873106

Figures(5)

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.
- aerogel,
- organic fluorescence probe,
- preparation,
- rapid solvents exchange method,
- application
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Preparation of Hydrophobic SiO2 Aerogel by Rapid Solvents Exchange Method and Its Application Loaded with Organic Fluorescence Probe

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