Recyclable SERS Substrate with Coral-like Nano Ag/ZnO Structure Based on Cotton Fabric Used for In-situ Detection of Pesticides 


Vol. 23,  No. 3, pp. 636-643, Mar.  2022
10.1007/s12221-022-3350-x


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  Abstract

A novel recyclable flexible SERS substrate with a hierarchical structure was fabricated by growing ZnO nanorods (ZnO NRs) on three-dimensional (3D) ordered cotton fabrics through a chemical hydrothermal method and depositing Ag nanoparticles (Ag NPs) on coral-like ZnO NRs. The Ag/ZnO/cotton fabrics (AZCF) exhibit superior SERS signals with a detection limit of 4-aminothiophenol (PATP) down to 10-10 M and an excellent uniformity (relative standard deviation lowered to less than 20 %). It also can achieve photocatalytic degradation of different substances, such as rhodamine 6G (R6 G), PATP and thiram. Furthermore, this SERS substrate was successfully applied to the in-situ detection of thiram on the surface of apple, and the detection limit is low to 5 mg/kg. Therefore, our studies not only constructed a promising SERS substrate with super sensitivity, good reproducibility and excellent stability for molecular detection, but also suggest a potential method for the actually in-situ detection of pesticide residues.

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  Cite this article

[IEEE Style]

S. Zhang, A. Liu, J. Wang, F. Ge, Q. Zhu, "Recyclable SERS Substrate with Coral-like Nano Ag/ZnO Structure Based on Cotton Fabric Used for In-situ Detection of Pesticides," Fibers and Polymers, vol. 23, no. 3, pp. 636-643, 2022. DOI: 10.1007/s12221-022-3350-x.

[ACM Style]

Shuo Zhang, Airong Liu, Juan Wang, Fengyan Ge, and Quan Zhu. 2022. Recyclable SERS Substrate with Coral-like Nano Ag/ZnO Structure Based on Cotton Fabric Used for In-situ Detection of Pesticides. Fibers and Polymers, 23, 3, (2022), 636-643. DOI: 10.1007/s12221-022-3350-x.

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