Bulletin of the American Physical Society
Joint Fall 2022 Meeting of the Texas Section of the APS, Texas Section of the AAPT, and Zone 13 of the SPS
Volume 67, Number 11
Thursday–Saturday, October 13–15, 2022; Rice University, Houston, Texas
Session G04: Condensed Matter and Plasma Physics I
3:45 PM–4:57 PM,
Friday, October 14, 2022
Rice University BRC
Room: 282
Chair: Eduardo Ibarra-García-Padilla
Abstract: G04.00001 : Lead-free All-perovskite Tandem Solar Cell*
3:45 PM–3:57 PM
Presenter:
Arman Duha
(Oklahoma State University-Stillwater)
Authors:
Arman Duha
(Oklahoma State University-Stillwater)
Mario F Borunda
(Oklahoma State University-Stillwater)
tandem solar cell. The top and bottom subcells, consisting of MAGeI3, and FASnI3, respectively, were optimized
individually by varying material properties such as thickness, electron affinity, and capture cross-section. These
standalone optimized subcells are then utilized for the tandem structure. The optimal tandem cell thickness was
determined based on short circuit current density (JSC) matching of the standalone subcells by varying the
subcells’ thickness. A matching JSC of 14.70 mA/cm2 was obtained for the top and bottom subcell thickness of
983 nm and 1600 nm, respectively. At this current matching condition, the simulations show that a tandem cell
would yield a high open-circuit voltage (VOC) of 2.63 V, resulting in an efficiency of 30.85%, significantly higher
than that of each subcell.
*The authors are thankful for the funding support of the NationalAeronautics and Space Administration under Agreement No.80NSSC19M0140 issued through NASA Oklahoma EPSCoR.
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