In Situ Growth of Ag-ZnO Nanorods on Graphitic Carbon Nitride for SERS Detection of Rhodamine 6G

초록

Sensing azo dyes has received significant attention due to their environmental impact and harm to human health. A cellulose-paperbased surface-enhanced Raman scattering (SERS) substrate with a hierarchical Ag-ZnO@GCN nanorod composite was successfully prepared by hydrothermal method. The intended hierarchical nanocomposite was prepared using a facile and economically feasible method. The optical, functional group, structural profile, phase formation, and surface morphology of the prepared AZCN-80, AZCN-120, and AZCN-160 were characterized using UV–vis, Fourier transform infrared spectroscopy, Raman, X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray analysis. The physicochemical characterization results demonstrated that this ubiquitous nanorod composite considerably enhanced the SERS sensing performance for detecting harmful organic molecules, specifically rhodamine 6 G (R6G). In addition, the fabricated paper-based AZCN-160 substrate exhibited good linearity with a range of 10

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