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\begin{document}

\title{A highly efficient n-CdS/p-Ag2S/p+-SnS thin film solar cell: design and
performance}



\author[1]{Tanvir  Ahmed}%
\author[1]{Md. Choyon Islam}%
\author[1]{Md. Alamin Hossain Pappu}%
\author[1]{Shaikh Khaled  Mostaque}%
\author[2]{Bipanko Kumar  Mondal}%
\author[1]{Jaker  Hossain}%
\affil[1]{University of Rajshahi}%
\affil[2]{Pundra University of Science and Technology}%


\vspace{-1em}



  
  \date{May 25, 2024}


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\begin{abstract}
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.%
\end{abstract}%



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\textbf{Hosted file}

\verb`Ag2S Manuscript.docx`  available at \url{https://authorea.com/users/635548/articles/652862-a-highly-efficient-n-cds-p-ag2s-p-sns-thin-film-solar-cell-design-and-performance}

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