Design and analysis of MoTe2-based efficient photonic devices for the solar cell and photodetector applications

TL;DR

This paper presents a detailed numerical study of MoTe2-based photonic devices, demonstrating significant efficiency improvements for solar cells and photodetectors with optimized layered structures.

Contribution

It introduces a novel MoTe2-based device structure with optimized layers, achieving high efficiency and detection performance through numerical simulations.

Findings

Achieved a solar cell efficiency of 32.92%.

Demonstrated high responsivity and detectivity at 1000 nm wavelength.

Optimized device structure significantly enhances performance.

Abstract

A systematic survey and subsequent research have been made on MoTe2-based n-CdS/p-MoTe2/p+-CGS device in solar cell and photodetector field. The optimization has been established by altering the various properties of each constituent layer through numerical computation. The performance of the MoTe2 photonic device has been probed with and without CGS back surface field (BSF) layer in details. The proposed n-CdS/p-MoTe2/p+-CGS photonic device exhibits markedly improved cell efficiency, {\eta} of 32.92 % with VOC of 0.97 V, JSC of 41.21 mA/cm2, FF of 82.73% and responsivity, R of 0.74 A/W as well as detectivity, D* of 2.36x1016 Jones at a wavelength of 1000 nm. These simulation outcomes reveal the strong potential of MoTe2 absorber along with the novel and improved structure for highly-efficient solar cells and photosensors that capable of high detection capability.