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<p>The present paper is about a new Sb<sub>2</sub>Se<sub>3</sub>/CMTS bilayer structure solar cell, which has been modeled to achieve high efficiency at least fabrication costs. Copper Manganese Tin Sulfide (CMTS) and Sb<sub>2</sub>Se<sub>3</sub> serve as absorber layers in this suggested bilayer configuration. A research study concerning the effect of different variables like the impact of thickness of absorber layer and doping concentration on the performance of the device which is being carried out using SCAPS-1D software. With a thickness of 1000&#xa0;nm for Sb<sub>2</sub>Se<sub>3</sub> and 3000&#xa0;nm for CMTS absorber layers, a maximum efficiency of 12.86% was observed. Furthermore, an efficient technique has been proposed to enhance the efficiency, with the addition of one additional absorber layer in combination with the Sb<sub>2</sub>Se<sub>3</sub> layer. This layer helps to improve the optical absorption coefficient and lessen the recombination losses, and subsequently results in the reduction of Voc deficit. It has been found that the design proposed for theSb<sub>2</sub>Se<sub>3</sub>/CMTS bilayer structure shows an efficiency of 12.86%. This makes it a possible substitute for obtaining stable and highly efficient bilayer solar cells.</p>

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Performance enhancement of Sb₂Se₃ solar cells via bilayer architecture: a SCAPS-1D simulation study

  • 期刊论文

  • 发表日期：

    2025年5月12日

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  • Shriya Sakul Bal,
  • Arindam Basak,
  • Udai P. Singh

摘要

The present paper is about a new Sb2Se3/CMTS bilayer structure solar cell, which has been modeled to achieve high efficiency at least fabrication costs. Copper Manganese Tin Sulfide (CMTS) and Sb2Se3 serve as absorber layers in this suggested bilayer configuration. A research study concerning the effect of different variables like the impact of thickness of absorber layer and doping concentration on the performance of the device which is being carried out using SCAPS-1D software. With a thickness of 1000 nm for Sb2Se3 and 3000 nm for CMTS absorber layers, a maximum efficiency of 12.86% was observed. Furthermore, an efficient technique has been proposed to enhance the efficiency, with the addition of one additional absorber layer in combination with the Sb2Se3 layer. This layer helps to improve the optical absorption coefficient and lessen the recombination losses, and subsequently results in the reduction of Voc deficit. It has been found that the design proposed for theSb2Se3/CMTS bilayer structure shows an efficiency of 12.86%. This makes it a possible substitute for obtaining stable and highly efficient bilayer solar cells.