This article presents a novel terahertz (THz) antenna array design comprising a layered structure of a perovskite material which enhances the radiation characteristics of an antenna overlaid on a conventional metallic antenna element. The simulated antenna consists of a THz gold patch antenna coated with a hybrid perovskite material, methyl-ammonium lead iodide CH ₃ NH ₃ PbI ₃ which enables the manipulation of the THz electromagnetic waves. In addition to this, we also present a comparison of the antenna properties of the proposed hybrid perovskite material with antennas made of gold and perovskite only. The proposed antenna operates in the frequency band 0.9 - 1.2 THz. The simulated impedance bandwidth of the proposed array antenna ranges from 0.9 THz to 1.2 THz with a reflection coefficient (S11) less than −10 dB. The antenna array has a radiation patterns stability on the whole frequency band. The peak gain obtained is 11.4 dBi with perovskite arrays. The hybrid and perovskite antenna array demonstrate high radiation efficiency. The designs presented here will help in realising future wireless communication systems that require miniaturisation, fast reconfigurability and wearability.

中文翻译：

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基于混合钙钛矿结构的太赫兹天线阵列

本文提出了一种新颖的太赫兹（THz）天线阵列设计，其中包括钙钛矿材料的分层结构，可增强覆盖在传统金属天线元件上的天线的辐射特性。模拟天线由涂有混合钙钛矿材料，甲基铵碘化铅CH ₃ NH ₃ PbI ₃的太赫兹金贴片天线组成 从而可以操纵太赫兹电磁波。除此之外，我们还将提出的混合钙钛矿材料与仅由金和钙钛矿制成的天线的天线性能进行比较。拟议中的天线工作在0.9-1.2 THz频段。所提出的阵列天线的模拟阻抗带宽在0.9 THz至1.2 THz的范围内，反射系数（S11）小于-10 dB。天线阵列在整个频带上具有辐射方向图稳定性。钙钛矿阵列获得的峰值增益为11.4 dBi。混合和钙钛矿天线阵列显示出高辐射效率。此处介绍的设计将有助于实现需要小型化，快速可重构性和可穿戴性的未来无线通信系统。