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Design and optimization of 26.3% efficient perovskite/FeSi2 monolithic tandem solar cell.

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Title: Design and optimization of 26.3% efficient perovskite/FeSi2 monolithic tandem solar cell.
Authors: Pathania, Anisha1 (AUTHOR), Pandey, Rahul1 (AUTHOR) rahul.pandey@chitkara.edu.in, Madan, Jaya1 (AUTHOR) jaya.madan@chitkara.edu.in, Sharma, Rajnish1 (AUTHOR) rajnish.sharma@chitkarauniversity.edu.in
Source: Journal of Materials Science: Materials in Electronics. Sep2020, Vol. 31 Issue 18, p15218-15224. 7p.
Subjects: Silicon solar cells, Solar cells, Perovskite, Hydrogenated amorphous silicon, Silicon oxide
Abstract: A multijunction or tandem technique comprising a wide bandgap top cell and a narrow bandgap bottom cell may be a major stepping stone in an attempt to obtain high-efficiency solar cells. However, easier said than done, it takes a lot to correctly optimize the structure of all the involved layers so as to possibly obtain the desired results. In this paper, a perovskite (CH3NH3PbI3)/FeSi2 (p-i-n structure) 2-terminal (2-T) monolithic tandem solar cell is proposed and investigated using AFORS-HET v2.5 1D simulator. A hydrogenated amorphous silicon (a-Si:H)/hydrogenated microcrystalline silicon oxide (µc-Si1−xOx:H) tunnel recombination junction is employed to interconnect both perovskite and FeSi2 solar cell for current matching. The influence of both top and bottom absorber layer thickness is analyzed to optimize the device performance. The study reveals an optimized 26.3% efficient perovskite/FeSi2 monolithic tandem solar cell with JSC (21.4 mA cm−2), VOC (1.63 V), and FF (74.86%). The results in this paper suggest FeSi2 material with 0.87 eV bandgap as an alternative for narrow bandgap bottom cell for the perovskite-based tandem solar cells so as to obtain much higher efficiencies. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Design and optimization of 26.3% efficient perovskite/FeSi<subscript>2</subscript> monolithic tandem solar cell.
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  Data: <searchLink fieldCode="AR" term="%22Pathania%2C+Anisha%22">Pathania, Anisha</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pandey%2C+Rahul%22">Pandey, Rahul</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rahul.pandey@chitkara.edu.in</i><br /><searchLink fieldCode="AR" term="%22Madan%2C+Jaya%22">Madan, Jaya</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jaya.madan@chitkara.edu.in</i><br /><searchLink fieldCode="AR" term="%22Sharma%2C+Rajnish%22">Sharma, Rajnish</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rajnish.sharma@chitkarauniversity.edu.in</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Science%3A+Materials+in+Electronics%22">Journal of Materials Science: Materials in Electronics</searchLink>. Sep2020, Vol. 31 Issue 18, p15218-15224. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Silicon+solar+cells%22">Silicon solar cells</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+cells%22">Solar cells</searchLink><br /><searchLink fieldCode="DE" term="%22Perovskite%22">Perovskite</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogenated+amorphous+silicon%22">Hydrogenated amorphous silicon</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon+oxide%22">Silicon oxide</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A multijunction or tandem technique comprising a wide bandgap top cell and a narrow bandgap bottom cell may be a major stepping stone in an attempt to obtain high-efficiency solar cells. However, easier said than done, it takes a lot to correctly optimize the structure of all the involved layers so as to possibly obtain the desired results. In this paper, a perovskite (CH3NH3PbI3)/FeSi2 (p-i-n structure) 2-terminal (2-T) monolithic tandem solar cell is proposed and investigated using AFORS-HET v2.5 1D simulator. A hydrogenated amorphous silicon (a-Si:H)/hydrogenated microcrystalline silicon oxide (µc-Si1−xOx:H) tunnel recombination junction is employed to interconnect both perovskite and FeSi2 solar cell for current matching. The influence of both top and bottom absorber layer thickness is analyzed to optimize the device performance. The study reveals an optimized 26.3% efficient perovskite/FeSi2 monolithic tandem solar cell with JSC (21.4 mA cm−2), VOC (1.63 V), and FF (74.86%). The results in this paper suggest FeSi2 material with 0.87 eV bandgap as an alternative for narrow bandgap bottom cell for the perovskite-based tandem solar cells so as to obtain much higher efficiencies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10854-020-04086-z
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      – SubjectFull: Perovskite
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      – SubjectFull: Hydrogenated amorphous silicon
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      – TitleFull: Design and optimization of 26.3% efficient perovskite/FeSi2 monolithic tandem solar cell.
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            NameFull: Pandey, Rahul
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              M: 09
              Text: Sep2020
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