期刊
ANALYTICAL METHODS
卷 13, 期 19, 页码 2189-2195出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ay00589h
关键词
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资金
- Natural Science Basic Research Program of Shaanxi [2020JQ-712]
- Shaanxi Provincial Education Department [20JY004]
- Key Laboratory of Marks Science and Technology of the Ministry of Public Security China [2017FMKFKT04]
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology [KFKT2020-03]
A simple and selective fluorescence sensor for high-performance diethylamine detection was developed based on silica hollow sphere photonic crystals (SHSPCs) in this study. The sensor utilizes SHSPCs to enhance the fluorescence intensity of Rh6G, allowing for the selective detection of diethylamine. Additionally, the sensor demonstrates good interference immunity, stability and reusability.
In this study, based on silica hollow sphere photonic crystals (SHSPCs), a simple and selective fluorescence sensor for high-performance diethylamine detection was developed. The sensor does not involve complicated integration of arrays or tedious synthetic work. During the detection, the SHSPCs could significantly enhance the fluorescence intensity of rhodamine 6G (Rh6G), and meanwhile, adsorb some Rh6G on their surface. Due to the competitive adsorption, diethylamine could free the Rh6G which was adsorbed on the surface of the SHSPCs, thus enhancing the fluorescence emission intensity with the increase of Rh6G concentration. The second enhancement of the fluorescence emission enabled the selective detection of diethylamine. It is remarkable that a simple and readily available dye (Rh6G) facilitates the efficient detection of diethylamine. Moreover, the sensor has good interference immunity, stability and reusability.
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