研究目的
Investigating the fabrication of practical SERS-active substrates with prominent recognition ability for various analyte molecules using natural Fulfora candelaria wing as a bioscaffold for rough silver nanoislands.
研究成果
The Ag/FCW-10 substrates demonstrated high sensitivity, excellent reproducibility, outstanding uniformity, and unique recognition ability for various molecules, making them suitable for practical SERS applications. The study highlights the potential of using natural bioscaffolds for the development of high-performance SERS substrates.
研究不足
The complexity of the real nanostructure of the Ag/FCW substrates might lead to deviations in the simulation results from the real outcomes. The study focuses on a specific type of bioscaffold and may not be directly applicable to other materials.
1：Experimental Design and Method Selection:
The study involved the use of natural Fulfora candelaria wing as a bioscaffold for the deposition of Ag nanoislands via magnetron sputtering technology to create SERS-active substrates. The morphology of the substrates was tuned by adjusting the sputtering time of Ag.
2：Sample Selection and Data Sources:
Fulfora candelaria wings were used as natural substrate templates. Various analyte molecules including R6G, CV, 4-ATP, and CYP were used to test the SERS performance.
3：List of Experimental Equipment and Materials:
RF magnetron sputtering apparatus, confocal Raman system, SEM, UV-vis spectrophotometer, and various chemicals were used.
4：Experimental Procedures and Operational Workflow:
The wings were cleaned, fixed onto glass slides, and decorated with Ag nanoislands. SERS measurements were performed under different conditions to evaluate the substrates' performance.
5：Data Analysis Methods:
The SERS performance was evaluated based on sensitivity, reproducibility, uniformity, and recognition ability for various molecules. 3D-FDTD simulation was used to understand the enhancement mechanism.
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