研究目的
To develop a simple and novel method for preparing an effective SERS substrate that enhances SERS signals through the fabrication of Ag nanorod arrays using electroless deposition in a highly ordered porous anodized aluminum oxide (AAO) template.
研究成果
The prepared Ag nanorod arrays substrate exhibits high sensitivity and stability for SERS detection, with a detection limit as low as 10?16 M for R6 G and excellent recyclability, indicating promising practical applications in the SERS field.
研究不足
The study does not discuss the scalability of the fabrication process or the cost-effectiveness of the materials used.
1：Experimental Design and Method Selection:
The study employs electroless deposition of Ag nanoparticles in AAO templates to form Ag nanorod arrays, followed by etching to create nanorod bundles for SERS enhancement.
2：Sample Selection and Data Sources:
High-purity aluminum sheets are used to prepare AAO templates, and R6 G is used as the detection reagent.
3：List of Experimental Equipment and Materials:
Includes aluminum sheet, perchloric acid, ethanol, oxalic acid, phosphoric acid, chromic acid, silver nitrate, sodium hydroxide, and R6 G.
4：Experimental Procedures and Operational Workflow:
Involves preparation of AAO templates, electroless deposition of Ag nanorods, etching with sodium hydroxide, and decoration with Au nanoparticles.
5：Data Analysis Methods:
SERS measurements are performed using Renishaw inVia with a 785 nm laser, and morphology is characterized by FE-SEM, EDS, and AFM.
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