Inverse-designed MXene metamaterial absorber for broadband solar energy harvesting

IF 2.5 3区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2025-02-01 DOI:10.1016/j.photonics.2025.101362

Huazhong Zhang, Juhang Yin

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引用次数: 0

Abstract

Solar energy is widely applied in fields such as photovoltaic technology, seawater desalination, and photodetection, where efficient utilization of solar energy has been a long-standing pursuit. In this study, we employed a multi-objective Particle Swarm Optimization algorithm to inversely design a grating-structured metamaterial absorber based on MXene and investigated its optical properties using the Finite-Difference Time-Domain method. Our results demonstrate that the designed metamaterial absorber achieves exceptional absorption (97.2 %) across the entire solar radiation spectrum, and low average emissivity (4.9 %) in the infrared region. Theoretical analysis reveals that the broadband absorption arises from the synergistic effect of multiple resonant modes. Furthermore, the MXene-based metamaterial absorber exhibits wide-angle absorption at an incident angle of 60° with minimal polarization dependence. In regions rich in solar radiation, this absorber has the potential to save approximately 1924.7 kWh/m² of energy annually. These findings hold significant implications for applications in solar photovoltaics and optoelectronic conversion.

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宽带太阳能收集用反设计MXene超材料吸收体

太阳能广泛应用于光伏技术、海水淡化、光探测等领域，高效利用太阳能一直是人们追求的目标。本研究采用多目标粒子群优化算法反设计了基于MXene的光栅结构超材料吸收体，并利用时域有限差分法研究了其光学特性。我们的研究结果表明，设计的超材料吸收剂在整个太阳辐射光谱中具有优异的吸收率（97.2% %），在红外区域具有较低的平均发射率（4.9% %）。理论分析表明，宽带吸收是由多个共振模式的协同效应引起的。此外，基于mxene的超材料吸收体在60°入射角下具有广角吸收，偏振依赖性最小。在太阳辐射丰富的地区，这种吸收剂有潜力每年节省大约1924.7千瓦时/平方米的能源。这些发现对太阳能光伏和光电子转换的应用具有重要意义。

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来源期刊

Photonics and Nanostructures-Fundamentals and Applications 工程技术-材料科学：综合

CiteScore

5.00

自引率

3.70%

发文量

审稿时长

62 days

期刊介绍： This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.