Citation: Gaoxin ZHANG, Chenkai ZHENG, Liangjie MENG, Guoqing CHEN, Hui GAO. Ag@CsPbBr₃@ZIF-8 surface enhanced Raman scattering substrate: Preparation and detection of pyrene in corn oil[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(5): 980-990. doi: 10.11862/CJIC.20250304 shu

Ag@CsPbBr₃@ZIF-8 surface enhanced Raman scattering substrate: Preparation and detection of pyrene in corn oil

Gaoxin ZHANG ^{1, 2, #} ,
Chenkai ZHENG ^{1, 2, #} ,
Liangjie MENG ^{1, 2} ,
Guoqing CHEN ^{1, 2} ,
Hui GAO ^{1, 2,,}

1.
School of Optoelectronic Information and Physical Science, Jiangnan University, Wuxi, Jiangsu 214122, China
2.
Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, Jiangsu 214122, China

Corresponding author: Hui GAO, 8201807140@jiangnan.edu.cn
Received Date: 27 September 2025
Revised Date: 14 March 2026

Figures(12)

A surface-enhanced Raman scattering (SERS) composite substrate was designed and prepared based on Ag nanoparticle-composited ZIF-8-coated perovskite nanocrystals (Ag@CsPbBr₃@ZIF-8). This composite substrate exhibited excellent water stability and, compared to a pure Ag substrate, significantly enhanced the Raman signal of pyrene molecules in aqueous solution. Using spectral analysis, a fitting equation was derived, revealing that the composite substrate enabled highly sensitive detection of pyrene with a detection limit of 8.58 μg·L^-1. In spiked recovery tests, the recovery rate of pyrene ranged from 97.6% to 109.2%, with a relative standard deviation (RSD) between 1.12% and 7.91%. These results indicate that the substrate possesses good reproducibility and specificity for pyrene detection.
- surface-enhanced Raman spectroscopy,
- pyrene detection,
- perovskite nanocrystals
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沈阳化工大学材料科学与工程学院沈阳 110142

Ag@CsPbBr3@ZIF-8 surface enhanced Raman scattering substrate: Preparation and detection of pyrene in corn oil

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通讯作者: 陈斌, bchen63@163.com

Ag@CsPbBr₃@ZIF-8 surface enhanced Raman scattering substrate: Preparation and detection of pyrene in corn oil