A terahertz high absorption material based on graphene-quartz sand composite coating

IF 2.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Applied Physics A Pub Date : 2025-10-20 DOI:10.1007/s00339-025-08946-5

Haixiang Guo, Bo Fang, Wentao Zhu, Caihe Lei, Yuhan Xi, Yue Li

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Abstract

This article presents a high-absorption terahertz material based on a graphene-quartz composite coating and establishes a simulation model with experimental validation. A simulation analysis of the composite coating was conducted by adjusting the particle size of the embedded quartz sand to modify the surface roughness. The coating design parameters were optimized to build the unit model, and coating samples were prepared for absorption rate measurement. The simulation results showed that the coating exhibited excellent absorption in the 0.1–0.3 THz range, while experimental results confirmed an absorption efficiency exceeding 97.20% within the 0.14–0.22 THz range. The analysis yielded a coefficient of determination (R²) of 0.81, indicating a good fit between the simulation model and experimental data. This model predicts the absorption characteristics of a graphene-quartz sand composite coating in the terahertz band, providing a theoretical basis for the design of future terahertz wave-absorbing materials and the development of thermoelectric terahertz power detectors.

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基于石墨烯-石英砂复合涂层的太赫兹高吸收材料

本文提出了一种基于石墨烯-石英复合涂层的高吸收太赫兹材料，并建立了仿真模型并进行了实验验证。通过调整包埋石英砂的粒径来改变表面粗糙度，对复合涂层进行了仿真分析。优化涂层设计参数，建立单元模型，并制备涂层样品进行吸收率测定。仿真结果表明，该涂层在0.1 ~ 0.3 THz范围内具有良好的吸收性能，而在0.14 ~ 0.22 THz范围内，其吸收效率超过97.20%。分析得出的决定系数（R2）为0.81，表明仿真模型与实验数据拟合良好。该模型预测了石墨烯-石英砂复合涂层在太赫兹波段的吸收特性，为未来太赫兹吸波材料的设计和热电太赫兹功率探测器的研制提供了理论依据。

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

Applied Physics A 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.40%

发文量

964

审稿时长

38 days

期刊介绍： Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.