RESEARCH ARTICLE
Investigating the potential of lead-free double perovskite Cs2AgBiBr6 material for solar cell applications: A theoretical study
Abhishek Raj,
Manish Kumar,
Arvind Kumar,
Amel Laref,
Avneesh Anshul,
Abhishek Raj
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
Search for more papers by this authorCorresponding Author
Manish Kumar
Experimental Research Laboratory, Department of Physics, ARSD College, University of Delhi, New Delhi, India
Correspondence
Manish Kumar, Experimental Research Laboratory, Department of Physics ARSD College, University of Delhi New Delhi 110021, India.
Email: [email protected]
Search for more papers by this authorArvind Kumar
Experimental Research Laboratory, Department of Physics, ARSD College, University of Delhi, New Delhi, India
Search for more papers by this authorAmel Laref
Department of Physics, King Saud University, Riyadh, Saudi Arabia
Search for more papers by this authorAvneesh Anshul
Energy and Resource Management Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, Maharashtra, India
Search for more papers by this authorAbhishek Raj,
Manish Kumar,
Arvind Kumar,
Amel Laref,
Avneesh Anshul,
Abhishek Raj
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
Search for more papers by this authorCorresponding Author
Manish Kumar
Experimental Research Laboratory, Department of Physics, ARSD College, University of Delhi, New Delhi, India
Correspondence
Manish Kumar, Experimental Research Laboratory, Department of Physics ARSD College, University of Delhi New Delhi 110021, India.
Email: [email protected]
Search for more papers by this authorArvind Kumar
Experimental Research Laboratory, Department of Physics, ARSD College, University of Delhi, New Delhi, India
Search for more papers by this authorAmel Laref
Department of Physics, King Saud University, Riyadh, Saudi Arabia
Search for more papers by this authorAvneesh Anshul
Energy and Resource Management Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, Maharashtra, India
Search for more papers by this authorSummary
Recently, Silver-Bismuth based lead-free double perovskite solar cells (PSCs) have established their significance as a possible substitute for lead-based absorber in the PSCs due to its higher stability and nontoxic properties. In the present work, lead-free double perovskite Cs2AgBiBr6 compound has been used as an absorber in the layered structure of PSC. This compound has been studied in details for its physical properties (electronic and optical) using the first principle calculation. Additionally, a lead-free PSC is designed in SACPS-1D simulation software with cell configuration of FTO/TiO2/Cs2AgBiBr6/Spiro-OMeTAD/Au and studied for its various parameters useful for its applications in PSCs. Initially, the device is optimized under experimental counterpart to validate the simulation study and further various other material parameters such as band-gap, defect density, thickness of absorber, series resistance and operating temperature are optimized to deliver improved performance. The final optimized lead-free double PSCs exhibited power conversion efficiency (PCE) of 6.68%, open-circuit voltage (VOC) of 0.90 V, current density (JSC) of 11.09 mA/cm2 and fill factor (FF) of 66.61%. Further, different ETLs such as TiO2, SnO2, ZnO, IGZO and PCBM are simulated with proposed device configuration and found TiO2 and SnO2 as suitable ETL candidate for Cs2AgBiBr6 based lead-free PSCs.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this review article.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Supporting Information
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| er8099-sup-0001-supinfo.pdfPDF document, 558.3 KB | Appendix S1. Supporting information. |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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