Abstract
Modification of a cell’s architecture can enhance the performance parameters. This paper reports on the numerical modeling of a thin-film organic solar cell (OSC) featuring distributed Bragg reflector (DBR) pairs. The utilization of DBR pairs via the proposed method was found to be beneficial in terms of increasing the performance parameters. The extracted results showed that using DBR pairs helps capture the reflected light back into the active region by improving the photovoltaic parameters as compared to the structure without DBR pairs. Moreover, implementing three DBR pairs resulted in the best enhancement gain of 1.076% in power conversion efficiency. The measured results under a global AM of 1.5G were as follows: open circuit voltage (Voc) = 0.839 V; short circuit current density (Jsc) = 10.98 mA/cm2; fill factor (FF) = 78.39%; efficiency (η) = 11.02%. In addition, a thermal stability analysis of the proposed design was performed and we observed that high temperature resulted in a decrease in η from 11.02 to 10.70%. Our demonstrated design may provide a pathway for the practical application of OSCs.
Highlights
Harvesting energy from cleaner sources and protecting the environment from harmful gasses are currently the main targets worldwide in order to protect the ozone layer
We improved the performance of organic solar cell (OSC) by computationally injecting
3 /lithium fluoride (LiF) helped in achieving the enhancement efficiency
Summary
Harvesting energy from cleaner sources and protecting the environment from harmful gasses are currently the main targets worldwide in order to protect the ozone layer. In this regard, photovoltaic technology plays a significant role in generating energy from thin-film solar cells (TFSC) by absorbing light from endless sources via the sun. Several materials have been optimized and commercialized. Such materials deliver high performance, they release toxic waste into the environment. There is a dire need to investigate, extract, and synthesize the materials from sources with low toxicity to obtain a suitable material for TFSC. In the green energy scenario, the organic photovoltaic (OPV) method is leading the charge for TFSC, especially in solar cells, which have tremendous advantages over other semiconducting
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