研究目的
Investigating a simple, feasible, and cost-effective strategy for assembling gold nanorods (GNRs) on a substrate with uniform superstructures by combining controlled solvent evaporation and hydrophilic-hydrophobic pattern methods.
研究成果
The strategy allows for the fabrication of large area arrays of ordered GNRs with precise lateral alignment. It is potentially applicable for patterning other nanomaterials and nanostructures.
研究不足
The method's effectiveness is dependent on the concentration of GNRs colloidal solution and the humidity of the surrounding environment. The size and shape of the templates also need precise tuning.
1：Experimental Design and Method Selection:
Utilized controlled solvent evaporation and hydrophilic-hydrophobic pattern to assemble GNRs. PDMS templates were used as pattern transfer stamps.
2：Sample Selection and Data Sources:
GNRs were chemically synthesized by a binary surfactant seed-mediated growth method.
3：List of Experimental Equipment and Materials:
PDMS templates, ITO glass substrates, GNRs colloidal solution, UV-Vis spectrophotometer, SEM.
4：Experimental Procedures and Operational Workflow:
PDMS templates and ITO glass substrates were treated by air plasma, bonded temporarily, and then peeled off to transfer the pattern. A drop of GNRs suspension was dripped on the substrate and sealed for slow evaporation.
5：Data Analysis Methods:
UV-Vis spectrum, SEM images for characterization.
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