Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Thickness Optimization of Thin-Film Tandem Organic Solar Cell

Version 1 : Received: 3 April 2021 / Approved: 6 April 2021 / Online: 6 April 2021 (09:21:56 CEST)

A peer-reviewed article of this Preprint also exists.

Bangash, K.A.; Kazmi, S.A.A.; Farooq, W.; Ayub, S.; Musarat, M.A.; Alaloul, W.S.; Javed, M.F.; Mosavi, A. Thickness Optimization of Thin-Film Tandem Organic Solar Cell. Micromachines 2021, 12, 518. Bangash, K.A.; Kazmi, S.A.A.; Farooq, W.; Ayub, S.; Musarat, M.A.; Alaloul, W.S.; Javed, M.F.; Mosavi, A. Thickness Optimization of Thin-Film Tandem Organic Solar Cell. Micromachines 2021, 12, 518.

Journal reference: Micromachines 2021, 12, 518
DOI: 10.3390/mi12050518

Abstract

The organic solar cells (OSCs) have drawn attention in the past decade due to its cynosure in industrial manufacturing because of its promising properties such as low weight, highly flexible and low cost production. However, low η restricts the utilization of OSCs for potential application such as low cost energy harvesting devices. In this paper, OSCs structure based on triple junction tandem scheme is reported with three different absorber materials with the objective to enhance the absorption of photons which in turn improves the η, as well as its correlating performance parameters. The investigated structure gives the higher value of η = 14.33% with Jsc=16.87 (mA/m2), Voc=1.0 (V), and FF=84.97% by utilizing a stack of three different absorber layers with different band energies. The proposed structure is tested under 1.5 (AM) with 1 sun (W/m2). The impact of top, middle and bottom sub cells thickness on η is analyzed with a terse to find the optimum thickness for three sub cells to extract high η. The optimized structure is then tested with different electrode combination and the highest η is recorded with FTO/Ag. Moreover, the influence of upsurge temperature is also demonstrated on the proposed structure and observed that the upsurge temperature has greatly affected the electrical parameters of the device and η decreases from 14.33% to 11.40% when the temperature of the device rises from 300-400 K.

Keywords

Organic Solar Cells; Triple Junction; Tandem, Energy Harvesting; Temperature.

Subject

MATHEMATICS & COMPUTER SCIENCE, Artificial Intelligence & Robotics

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