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<p>Tin sulfide (SnS) is a particularly attractive material, as it has proven to be an adequate absorber for thin-film solar cells due to its high absorption coefficient. Experimental devices based on the Al/ZnO:Al/i-ZnO/CdS/SnS/Mo structure have achieved efficiencies of ~ 4.8%. To further improve performance, a novel structure incorporating a hole transport layer (HTL) is proposed. In this work, the performance of SnS-based solar cells was investigated using the Solar Cell Capacitance Simulator in One Dimension (SCAPS-1D), focusing on the incorporation and optimization of the HTL. In the first step, the experimental data available was reproduced to validate the model. After that, kesterite (AgCu)<sub>2</sub>ZnSnS<sub>4</sub> (ACZTS) compound was added as HTL for the first time, aiming at improving solar cell efficiency. The results show that optimizing the ACZTS compound can substantially enhance performance, achieving efficiencies of up to 16.29% with the Al/ZnO:Al/i-ZnO/CdS/SnS/Mo structure.</p> Graphical abstract <p></p>

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Numerical analysis of SnS-based solar cells with the incorporation of (AgCu)2ZnSnS4 as HTL for performance enhancement using SCAPS-1D

  • 期刊论文

  • 发表日期：

    2026年2月26日

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  • E. Roblero-Castañon,
  • I. Montoya De Los Santos,
  • K. G. Rodriguez-Osorio,
  • J. P. Morán-Lázaro,
  • M. Ojeda-Martinez,
  • E. Cruz López,
  • F. J. Sánchez-Rodríguez,
  • Maykel Courel

摘要

Tin sulfide (SnS) is a particularly attractive material, as it has proven to be an adequate absorber for thin-film solar cells due to its high absorption coefficient. Experimental devices based on the Al/ZnO:Al/i-ZnO/CdS/SnS/Mo structure have achieved efficiencies of ~ 4.8%. To further improve performance, a novel structure incorporating a hole transport layer (HTL) is proposed. In this work, the performance of SnS-based solar cells was investigated using the Solar Cell Capacitance Simulator in One Dimension (SCAPS-1D), focusing on the incorporation and optimization of the HTL. In the first step, the experimental data available was reproduced to validate the model. After that, kesterite (AgCu)2ZnSnS4 (ACZTS) compound was added as HTL for the first time, aiming at improving solar cell efficiency. The results show that optimizing the ACZTS compound can substantially enhance performance, achieving efficiencies of up to 16.29% with the Al/ZnO:Al/i-ZnO/CdS/SnS/Mo structure.

Graphical abstract