材料科学
超材料吸收剂
光学
极化(电化学)
电介质
超材料
钨
太阳能电池
吸光度
光电子学
横截面
物理
化学
可调谐超材料
物理化学
结构工程
冶金
工程类
作者
Raghvendra Kumar,Hemant Kumar,Umang Ramani,Sanket Kumar,Boor Singh,P. P. Singh,Praveen C. Pandey
标识
DOI:10.1142/s0217984924501057
摘要
We propose a cross-shaped resonator design of a metamaterial (MTM) absorber that shows a 98% average absorbance in the range of 400–1100[Formula: see text]nm. This design consists of three layers: a tungsten-based cross-shaped on the top, silicon dioxide (SiO 2 ) in the middle layer, and a tungsten layer at the bottom. The finite integration technique (FIT) method is used to simulate the metamaterial absorber’s performance. We have observed the absorber’s performance on the different thicknesses of a dielectric layer. We have presented the absorption spectrum for transverse electric (TE) and transverse magnetic (TM) modes for different polarization angles (0°–90°) and incident angles (0°–60°). Additionally, we have investigated the short-circuit current density for different dielectric layer thicknesses and different incidence angles. This is theoretically analogous to parametric studies. The universal AM 1.5 solar spectrum properties have been used to investigate the feasibility of the proposed MTM absorber as a solar cell. The proposed MTM has many potential uses, including for solar cells.
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