Formulation of Dielectric Composite Material from Ananas Comosus Waste for 5 GHz Microstrip Antenna

Abstract:

This study explores the formulation of dielectric composite material derived from Ananas comosus (pineapple) waste for 5 GHz microstrip antenna applications. Cellulose extracted from pineapple leaves was incorporated into an epoxy matrix to achieve a permittivity (ε_r) of 4.13. Morphological analysis revealed cellulose fiber particles averaging 1.60 μm in diameter, embedded within a composite matrix rich in carbon and oxygen. EDX analysis confirmed composition percentages of 62.07 wt.% carbon, 33.95 wt.% oxygen, and 3.98 wt.% sodium. Antenna performance evaluation demonstrated an optimal reflection coefficient, S₁₁, of -32 dB at 5.30 GHz in simulations, meeting FCCs 5G band specifications. The three-dimensional radiation patterns from the simulations confirmed efficient power radiation, with a gain of 4.246 dBi, indicating the suitability of the dielectric composite for effective signal transmission and reception. Experimental results showed an S₁₁ of -22 dB at 5.15 GHz, validating robust performance within the 5 GHz range. These findings underscore the potential of pineapple waste-derived composites in advancing sustainable antenna technology.

• Periodical: Solid State Phenomena (Volume 372)
• Pages: 13-19
• DOI: https://doi.org/10.4028/p-qTeGs3
• Online since: July 2025
• Authors: Nur Sofia Idayu Didik Aprianto, Mohamad Khalid Zakarzan, Nurhafizah Abu Talip Yusof*, Nurulfadzilah Hasan, Mohamad Shaiful Abdul Karim
• Keywords: Antenna, Cellulose Fiber, Dielectric Composite, Elemental Composition, Permittivity

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