Rahman Ashiqur, Islam Mohammad Tariqul, Samsuzzaman Md, Singh Mandeep Jit, Akhtaruzzaman Md
Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia.
Space Science Centre (ANGKASA), University Kebangsaan Malaysia, Bangi 43600, Malaysia.
Materials (Basel). 2016 May 11;9(5):358. doi: 10.3390/ma9050358.
In this paper, a novel phenyl-thiophene-2-carbaldehyde compound-based flexible substrate material has been presented. Optical and microwave characterization of the proposed material are done to confirm the applicability of the proposed material as a substrate. The results obtained in this work show that the phenyl-thiophene-2-carbaldehyde consists of a dielectric constant of 3.03, loss tangent of 0.003, and an optical bandgap of 3.24 eV. The proposed material is analyzed using commercially available EM simulation software and validated by the experimental analysis of the flexible substrate. The fabricated substrate also shows significant mechanical flexibility and light weight. The radiating copper patch deposited on the proposed material substrate incorporated with partial ground plane and microstrip feeding technique shows an effective impedance bandwidth of 3.8 GHz. It also confirms an averaged radiation efficiency of 81% throughout the frequency band of 5.4-9.2 GHz.
本文提出了一种新型的基于苯基噻吩-2-甲醛化合物的柔性衬底材料。对所提出的材料进行了光学和微波特性表征，以确认该材料作为衬底的适用性。这项工作获得的结果表明，苯基噻吩-2-甲醛的介电常数为3.03，损耗角正切为0.003，光学带隙为3.24电子伏特。使用商用电磁仿真软件对所提出的材料进行了分析，并通过柔性衬底的实验分析进行了验证。所制作的衬底还表现出显著的机械柔韧性和轻质特性。沉积在所提出的材料衬底上并结合部分接地平面和微带馈电技术的辐射铜贴片显示出3.8吉赫兹的有效阻抗带宽。它还证实了在5.4 - 9.2吉赫兹频带内平均辐射效率为81%。
