| Summary: | The concept of achieving perfect absorption of electromagnetic (EM) waves has engendered substantial interest in diverse applications, encompassing photoelectric conversions, infrared imaging, energy harvesting, and photovoltaics. Conventionally, absorber materials of choice have revolved around the utilization of refractory metals. However, this article proposes a pioneering proposition that uses quasi-two-dimensional (quasi-2D) material i.e., MXene, and uses ceramics material aluminum nitride (AlN) to forge a polarization-insensitive broadband absorber. This ultra-broadband meta-absorber showcases an expanse of absorbance across a comprehensive spectral range, spanning from the ultraviolet (UV) to Near-infrared (NIR) regions, specifically extending from 200 nm to 2000 nm. To previse the angular stability of the meta-absorber, the absorptivity was examined under oblique incidence in both transverse electric (TE) and transverse magnetic (TM) polarizations exhibiting the robustness of broadband absorber. MXene shows exceptional mechanical flexibility, facilitating seamless integration into flexible electronics. Their large specific surface area holds significant promise for high-performance energy storage in applications including energy harvesting, photovoltaics, solar cells, and sensors. These unique characteristics position them at the forefront of material science, driving advancements in next-generation technologies.
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