研究目的
Investigating the fabrication and properties of fractal plasmonic black gold (B-Au) with broad-band absorption properties for applications in SERS, photocatalysis, and photovoltaic devices.
研究成果
The fractal plasmonic black gold (B-Au) fabricated via overcurrent electrodeposition exhibits broad-band absorption properties and strong broad-band SERS activity, offering promising applications in highly sensitive SERS detection, photocatalysis, and photovoltaic devices.
研究不足
The study focuses on the fabrication and initial characterization of B-Au, with potential areas for optimization in the electrodeposition process and further exploration of its applications in photocatalysis and photovoltaic devices.
1：Experimental Design and Method Selection:
The study utilized an overcurrent electrodeposition strategy to prepare fractal plasmonic black gold (B-Au).
2：Sample Selection and Data Sources:
B-Au was deposited on Au film-coated glass slides from a commercial Au plating solution under constant overcurrent.
3：List of Experimental Equipment and Materials:
Gold plating solution (ECF-88) from Metalor Technologies, UV-3600Plus UV?vis?NIR spectrophotometer, invia-Re?ex micro-Raman spectrometer, Fotric 222s infrared camera.
4：Experimental Procedures and Operational Workflow:
B-Au was deposited at various current densities and durations, followed by characterization using SEM, EDS, XRD, TEM, absorption spectra measurements, SERS measurements, and thermal imaging.
5：Data Analysis Methods:
Absorption spectra and SERS performance were analyzed, and field distributions were simulated using the FDTD method.
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