Solar energy harvester based on polarization insensitive and wide angle stable UWB absorber for UV, visible and IR frequency range

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2024-11-16 DOI:10.1016/j.solmat.2024.113292

Vikram Maurya, Shashank Kumar Yadav, Sarthak Singhal

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引用次数: 0

Abstract

This paper proposes an ultrawideband electromagnetic absorber operating in the infrared, visible light, and ultraviolet regime. The overall structure of the proposed absorber is made up of multiple square rings arranged in a symmetrical configuration. The absorber consists of three layers, the ground layer made of nickel, the intermediate substrate layer is made of polyimide and the top layer is constructed from nickel. The overall unit cell dimension of 119 nm × 119 nm × 31 nm has been proposed for the optimum performance of the absorber. It has absorption (A) of more than 90 % for the frequency range of 131.59 THz to more than 4500 THz. The proposed absorber is polarization-independent. The absorber shows more than 70 % absorption for incident angle<65° in both transverse electric and transverse magnetic modes. The absorber covers the range of infrared, visible, and ultraviolet frequencies. Using this proposed absorber, high solar absorption efficiency (η_A) of 96.84 % and high thermal emission efficiency (η_E) of 90.19 %, 92.54 %, 95 % and 96.64 % are achieved at 1000K, 1500K, and 2500K & 3500 K, respectively. Due to the ultrawideband characteristic of the proposed design in the infrared, visible, and ultraviolet regimes, the proposed design can be used as a highly efficient absorber in many applications such as photovoltaics, photo-detectors, thermal emitters, IR (Infrared) detectors, cloaking, solar energy harvesting, sensing, and UV (Ultra-Violet) protection.

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基于对偏振不敏感且广角稳定的 UWB 吸收器的太阳能收集器，适用于紫外线、可见光和红外线频率范围

本文提出了一种可在红外线、可见光和紫外线范围内工作的超宽带电磁吸收器。该吸收器的整体结构由对称排列的多个方环组成。吸收器由三层组成，地层由镍制成，中间基底层由聚酰亚胺制成，顶层由镍制成。为使吸收器达到最佳性能，建议吸收器的整体单元尺寸为 119 nm × 119 nm × 31 nm。在 131.59 太赫兹到 4500 太赫兹的频率范围内，吸收率 (A) 超过 90%。所提出的吸收器与极化无关。在横向电模式和横向磁模式下，入射角为 65°时，吸收率超过 70%。吸收器的吸收范围包括红外线、可见光和紫外线频率。在 1000K、1500K 和 2500K & 3500 K 温度条件下，该吸收器的太阳能吸收效率 (ηA) 高达 96.84 %，热辐射效率 (ηE) 分别为 90.19 %、92.54 %、95 % 和 96.64 %。由于所提出的设计在红外线、可见光和紫外线范围内具有超宽带特性，因此可在光伏、光检测器、热发射器、红外线（IR）检测器、隐形、太阳能收集、传感和紫外线（Ultra-Violet）防护等许多应用中用作高效吸收器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.