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A highly efficient n-CdS/p-Ag2S/p+-SnS thin film solar cell: design and performance
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  • Tanvir Ahmed,
  • Md. Choyon Islam,
  • Md. Alamin Hossain Pappu,
  • Shaikh Khaled Mostaque,
  • Bipanko Kumar Mondal,
  • Jaker Hossain
Tanvir Ahmed
University of Rajshahi
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Md. Choyon Islam
University of Rajshahi
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Md. Alamin Hossain Pappu
University of Rajshahi
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Shaikh Khaled Mostaque
University of Rajshahi
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Bipanko Kumar Mondal
Pundra University of Science and Technology
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Jaker Hossain
University of Rajshahi

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Silver sulfide (Ag2S) could be a viable chalcogenide absorber layer in the applications of thin film solar cells due to its optimum band gap of 1.1 eV and high absorption coefficient. Here, we propose a novel Ag2S-based double-heterojunction n-CdS/p-Ag2S/p+-SnS solar cell structure. The numerical analysis has been performed with SCAPS-1D (Solar Cell Capacitance Simulator). In the case of single heterojunction, n-CdS/p-Ag2S manifests the efficiency of 19.75% where the VOC= 0.66 V, the JSC=36.99 mA/cm2, FF=81.50%. However, Ag2S-based double-heterojunction with optimized structure provides efficiency of 29.51% wherein VOC = 0.81 V, JSC = 42.81 mA/cm2 and FF = 85.24%. The noteworthy augmentation of VOC and JSC in double heterojunction results from the reduction in surface recombination velocity and rise in built-in voltage in the p-Ag2S/p+-SnS heterostructure.
29 Jun 2023Submitted to Engineering Reports
04 Jul 2023Submission Checks Completed
04 Jul 2023Assigned to Editor
05 Jul 2023Review(s) Completed, Editorial Evaluation Pending
24 Jul 2023Reviewer(s) Assigned
09 Oct 2023Editorial Decision: Revise Major
19 Nov 20231st Revision Received
20 Nov 2023Submission Checks Completed
20 Nov 2023Assigned to Editor
20 Nov 2023Review(s) Completed, Editorial Evaluation Pending
21 Nov 2023Reviewer(s) Assigned