研究目的
To design and simulate a perfect absorber based on the local surface plasmon resonance and the coupling properties between the Ag pattern and the monolayer MoS2 in the visible regime.
研究成果
The designed absorber achieves almost 100% absorption at peak with a bandwidth greater than 90% reaching 20THz. It is polarization-independent and maintains high absorption at incident angles up to 60 degrees, showing potential for applications in photodetectors, solar cells, and sensors.
研究不足
The study is based on simulation results, and practical implementation may face challenges related to material fabrication and integration.
1：Experimental Design and Method Selection:
The absorber was designed and simulated using CST Microwave Studio, focusing on the resonance of the local surface plasmon mode and the coupling between monolayer MoS2 and nano-silver.
2：Sample Selection and Data Sources:
The structure includes patterned Ag, monolayer MoS2, dielectric layers of SiO2, and an Ag mirror.
3：List of Experimental Equipment and Materials:
CST Microwave Studio for simulation, materials include Ag, monolayer MoS2, and SiO
4：Experimental Procedures and Operational Workflow:
The simulation involved setting periodic boundary conditions and calculating absorption using the frequency domain solver.
5：Data Analysis Methods:
Absorption was calculated based on reflection and transmission properties, with a focus on achieving high absorption and bandwidth.
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