研究目的
Investigating the fabrication and application of flexible and reusable cap-like thin Fe2O3 film for SERS applications.
研究成果
The study successfully fabricated a flexible SERS-active substrate by depositing α-Fe2O3 onto quartz fabric, resulting in a cap-like film through annealing. The film exhibited excellent reproducibility, high sensitivity, stability, and reusability, paving the way for SERS applications in flexible devices for detection work in chemistry, medicine, and environmental monitoring.
研究不足
The study focuses on the SERS performance of α-Fe2O3 films on quartz fabric, with limitations including the specific conditions under which the films were fabricated and tested. The reusability of the substrate varies for different molecules, indicating potential limitations in universal application.
1：Experimental Design and Method Selection:
The study involves the fabrication of cap-like α-Fe2O3 films on quartz fabric using radio frequency magnetron sputtering and annealing. The methodology includes the selection of materials, fabrication process, and characterization techniques.
2：Sample Selection and Data Sources:
Quartz fabric and Fe2O3 target were selected as primary materials. The samples were characterized using SEM, EDX, XRD, XPS, and Raman spectroscopy.
3：List of Experimental Equipment and Materials:
Equipment includes a scanning electron microscope (SEM; Tescan VEGA3), X-ray diffractometer (Rigaku Smart Lab), KRATOS Axis ultra-high-performance X-ray photoelectron spectroscopy system, and a NomadicTM Raman 3-in-1 microscope. Materials include satin weave quartz fabric and commercial grade Fe2O3 target.
4：Experimental Procedures and Operational Workflow:
The quartz fabric was cleaned, sputtered with Fe2O3, annealed, and then characterized. The SERS performance was evaluated using methyl blue as a molecular probe.
5：Data Analysis Methods:
The enhancement factor (EF) was calculated to assess the SERS performance. The reproducibility and stability of the SERS signals were also analyzed.
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