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Issue 19, 2021
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Diethylamine fluorescence sensor based on silica hollow sphere photonic crystals

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Abstract

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.

Graphical abstract: Diethylamine fluorescence sensor based on silica hollow sphere photonic crystals

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Article information


Submitted
07 Apr 2021
Accepted
15 Apr 2021
First published
15 Apr 2021

Anal. Methods, 2021,13, 2189-2195
Article type
Paper

Diethylamine fluorescence sensor based on silica hollow sphere photonic crystals

L. Li, J. Li, T. Meng, Z. Liu, H. Zhou, J. Zhu and J. Shi, Anal. Methods, 2021, 13, 2189
DOI: 10.1039/D1AY00589H

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