Computational Investigations on Thin Film Layers using SOI Grating Structures

International Journal of Electronics and Communication Engineering

© 2019 by SSRG - IJECE Journal

Volume 6 Issue 5

Year of Publication : 2019

Authors : Nosheen Memon , Muhammad Rafique Naich , Agha Zafarullah Pathan , Baqir Ali Mirjat

10.14445/23488549/IJECE-V6I5P108

How to Cite?

Nosheen Memon , Muhammad Rafique Naich , Agha Zafarullah Pathan , Baqir Ali Mirjat, "Computational Investigations on Thin Film Layers using SOI Grating Structures," SSRG International Journal of Electronics and Communication Engineering, vol. 6,  no. 5, pp. 48-53, 2019. Crossref, https://doi.org/10.14445/23488549/IJECE-V6I5P108

Abstract:

This paper illustrates the physical parameters of thin-film layered systems for solar cell technology adopting the Finite Difference Time Domain (FDTD) computational method. The efficiency of the solar cell can increase by improving light absorption content. In this regard, to extract the maximum energy from the sun, the authors studied the Radiative thermal properties of thin-film and including the tapered grating structure of Silicon material on the surface of silicon substrates to enhance its light absorption efficiency. To understand the phenomenon of grating structures, anti-Reflective Silicon on Insulator (SOI) triangular and square grating structures were simulated on the planar waveguides’ facets. Results from simulations explain that triangular grating structures provided duction in reflectance when the gradient index’s length increased. Power transmittance in triangular and square grating was higher in visible and infra-red regions, respectively. The transmittance parameters, electric field, and Poynting vectors were calculated for given systems, and it is observed that the grating structures significantly modify the absorption efficiency by evenly distributing the photonic energy of lighting the layered thin films. These results can further be extrapolated on an experimental basis to fabricate efficient CZTS-TFSCs for practical applications in the field of solar energy.

Keywords:

Absorption, FDTD, Reflectance, Power

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