Fabrication of Au@MIL-101 (Fe) nanocomposite as highly sensitive SERS substrate for trace detection of sulfapyridine

Hao-Jia Qin; Shuai Zhao; Hua-Ping Gong; Zhi Yu; Qiang Chen; De Zhang; Han Jiang; Pei Liang

Next Materials (Dec 2023)

Fabrication of Au@MIL-101 (Fe) nanocomposite as highly sensitive SERS substrate for trace detection of sulfapyridine

Hao-Jia Qin,
Shuai Zhao,
Hua-Ping Gong,
Zhi Yu,
Qiang Chen,
De Zhang,
Han Jiang,
Pei Liang

Affiliations

Hao-Jia Qin: College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China
Shuai Zhao: College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China
Hua-Ping Gong: College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China; Corresponding authors.
Zhi Yu: National Key Laboratory for Germplasm Innovation and Utilization for Fruit and Vegetable Horticultural Crops, Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
Qiang Chen: College of Metrology and Measurement Engineering, China Jiliang University, 310018, Hangzhou, China
De Zhang: National Key Laboratory for Germplasm Innovation and Utilization for Fruit and Vegetable Horticultural Crops, Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
Han Jiang: Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, China
Pei Liang: College of Optical and Electronic Technology, China Jiliang University, 310018 Hangzhou, China; Corresponding authors.

Journal volume & issue: Vol. 1, no. 4
p. 100036

Abstract

Read online

This paper reports a two-step method for preparing a metal-organic framework (MOF) MIL-101 (Fe) based substrate with high sensitivity and stability for surface-enhanced Raman scattering (SERS) analysis. Firstly, MIL-101 (Fe) nanoparticles were synthesized using a traditional solvothermal method. Next, gold nanoparticles (AuNPs) were produced through a reduction method, and the AuNPs/MIL-101 (Fe) composite substrate was created by combining MIL-101 (Fe) with AuNPs. The adsorption capacity of the substrate and its SERS activity after multiple cleaning were tested. Using Rhodamine 6 G (R6G) as the probe molecule, the substrate's detection capability reached 10-8 M, with a relative standard deviation (RSD) of approximately 13.15%, indicating excellent SERS performance and uniformity. The ideal detection capability for sulfapyridine using the composite matrix can be as low as 10-6 M. This proposed substrate is convenient and efficient, holding great potential for the rapid and sensitive detection of antibiotic residues and other environmental pollutants.

Published in Next Materials

ISSN: 2949-8228 (Online)
Publisher: Elsevier
Country of publisher: United Kingdom
LCC subjects: Technology
Website: https://www.sciencedirect.com/journal/next-materials

About the journal

Abstract

Keywords