Nanocomposite filled slots that enhance radiation of flexible nonagon antenna

IF 2.6 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Microelectronic Engineering Pub Date : 2024-08-20 DOI:10.1016/j.mee.2024.112258

Abhilash S. Vasu , T.K. Sreeja , N.R. Lakshmi

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Abstract

The new radiator incorporated with nanocomposites improve radiation characteristics of nonagon shaped antenna. The design comprise two nanocomposite materials loaded in slots that separately enhance lower and upper band radiation. The CPW antenna consists of nonagon shaped ring with heptagon radiating element that consists of inverted U and rigid shaped slots. The longer slot has been deliberately chosen to accommodate mid-frequency of two resonance frequencies and shorter slot isolates surface current distributed along radiating patch, left and right side. The Poly (3, 4 ethyelene dioxythiophene): Polystyrene Sulfonate-Silver nanowire (PEDOT:PSS-AgNW) nanocomposite filled in shorter slot improves gain, bandwidth and return loss of upper band, magnetite - Polyaniline (Fe₃O₄-PANI) filled in longer slot enhance lower band. The measured result proved to improve bandwidth, gain, radiation efficiency and polarization of lower, upper band. The flexible attributes of radiator studied extensively by wearable application by placing them on wrist and jeans. The fabricated antenna produce a bandwidth of 2.12–3.29 GHz in lower band, 4.51–6.00 GHz in upper band for 2.40/5.20/5.80 GHz WLAN, 2.50/5.50 GHz WiMAX, 2.40/4.90/5.20/5.50/5.80 GHz WiFi, 5G SUB-6 GHz and ISM bands.

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增强柔性非四边形天线辐射的纳米复合材料填充槽

采用纳米复合材料的新型辐射器改善了非菱形天线的辐射特性。该设计在槽中加入了两种纳米复合材料，可分别增强低频段和高频段的辐射。CPW 天线由带七角形辐射元件的非四边形环组成，七角形辐射元件由倒 U 形槽和刚性槽组成。特意选择较长的槽来适应两个共振频率的中频，而较短的槽则用于隔离沿辐射贴片左右两侧分布的表面电流。聚（3，4-乙烯二氧噻吩）：聚苯乙烯磺酸盐-银纳米线（PEDOT:PSS-AgNW）纳米复合材料填充在较短的槽中，提高了高频段的增益、带宽和回波损耗；磁铁矿-聚苯胺（Fe3O4-PANI）填充在较长的槽中，提高了低频段的增益、带宽和回波损耗。测量结果证明，低频段和高频段的带宽、增益、辐射效率和极化都得到了改善。通过在手腕和牛仔裤上的可穿戴应用，对辐射器的柔性特性进行了广泛研究。制造的天线在低频段的带宽为 2.12-3.29 GHz，在高频段的带宽为 4.51-6.00 GHz，适用于 2.40/5.20/5.80 GHz WLAN、2.50/5.50 GHz WiMAX、2.40/4.90/5.20/5.50/5.80 GHz WiFi、5G SUB-6 GHz 和 ISM 频段。

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来源期刊

Microelectronic Engineering 工程技术-工程：电子与电气

CiteScore

5.30

自引率

4.30%

发文量

131

审稿时长

29 days

期刊介绍： Microelectronic Engineering is the premier nanoprocessing, and nanotechnology journal focusing on fabrication of electronic, photonic, bioelectronic, electromechanic and fluidic devices and systems, and their applications in the broad areas of electronics, photonics, energy, life sciences, and environment. It covers also the expanding interdisciplinary field of "more than Moore" and "beyond Moore" integrated nanoelectronics / photonics and micro-/nano-/bio-systems. Through its unique mixture of peer-reviewed articles, reviews, accelerated publications, short and Technical notes, and the latest research news on key developments, Microelectronic Engineering provides comprehensive coverage of this exciting, interdisciplinary and dynamic new field for researchers in academia and professionals in industry.