Series Resistance Measurements of Perovskite Solar Cells Using Jsc–Voc Measurements

Mundhaas, Noemi; Yu, Zhengshan J.; Bush, Kevin A.; Wang, Hsin‐Ping; Häusele, Jakob; Kavadiya, Shalinee; McGehee, Michael D.; Holman, Zachary C.

doi:10.1002/solr.201800378

Series Resistance Measurements of Perovskite Solar Cells Using J_sc–V_oc Measurements

Journal Article · Wed Feb 27 00:00:00 EST 2019 · Solar RRL

DOI:https://doi.org/10.1002/solr.201800378· OSTI ID:1686154

Mundhaas, Noemi ^[1]; Yu, Zhengshan J. ^[2]; Bush, Kevin A. ^[3]; Wang, Hsin‐Ping ^[3]; Häusele, Jakob ^[4]; Kavadiya, Shalinee ^[2]; McGehee, Michael D. ^[5]; Holman, Zachary C. ^[2]

Arizona State Univ., Tempe, AZ (United States); Univ. of Konstanz (Germany); Arizona State University
Arizona State Univ., Tempe, AZ (United States)
Stanford Univ., CA (United States)
Arizona State Univ., Tempe, AZ (United States); Univ. of Konstanz (Germany)
Stanford Univ., CA (United States); Univ. of Colorado, Boulder, CO (United States)

The fill factor (FF) of perovskite solar cells is considerably lower than that of gallium arsenide and silicon cells, though they have similar open–circuit voltage deficits. To probe the FF loss, which mainly comes from series resistance, the J_sc–V_oc characterization technique is applied to perovskite solar cells. A continuous–lamp solar simulator with an array of neutral density filters is used instead of the quasi–steady–state photoconductance technique commonly employed for silicon cells, which allows us to tune sweep parameters to accommodate the complex behavior of perovskites such as hysteresis. It is found that, for Cs_0.25FA_0.75Pb(Br_0.2I_0.8)₃ (CsFA) perovskite cells, sweeping from positive to negative voltage yields the same series resistance regardless of sweep speed, whereas this is not the case if the sweep is reversed. However, for CH₃NH₃PbI₃ perovskite cells, the series resistance is independent of the sweep speed in both sweep directions. Furthermore, it is also found that, for a poly[bis(4–phenyl)(2,4,6–trimethylphenyl)amine] (PTAA) hole contact, increasing the PTAA thickness barely changes the recombination–limited pseudo–FF, but reduces the FF due to increased series resistance. A maximum FF of 80.9% was achieved with the PTAA hole contact on a CsFA perovskite absorber.

View Accepted Manuscript (DOE)

Research Organization:: Stanford Univ., CA (United States)

Sponsoring Organization:: USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE)

Grant/Contract Number:: EE0008167

OSTI ID:: 1686154

Alternate ID(s):: OSTI ID: 1496908

Journal Information:: Solar RRL, Journal Name: Solar RRL Journal Issue: 4 Vol. 3; ISSN 2367-198X

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (4)

How to Report Record Open‐Circuit Voltages in Lead‐Halide Perovskite Solar Cells Krückemeier, Lisa; Rau, Uwe; Stolterfoht, Martin Advanced Energy Materials, Vol. 10, Issue 1 https://doi.org/10.1002/aenm.201902573	journal	November 2019
Hierarchy of interfacial passivation in inverted perovskite solar cells Wang, Tun; Abbasi, Sadeq; Wang, Xin Chemical Communications, Vol. 55, Issue 99 https://doi.org/10.1039/c9cc07517h	journal	January 2019
Highly efficient inverted perovskite solar cells incorporating P3CT-Rb as a hole transport layer to achieve a large open circuit voltage of 1.144 V Li, Shufang; He, Bizu; Xu, Jing Nanoscale, Vol. 12, Issue 6 https://doi.org/10.1039/c9nr08441j	journal	January 2020
How to report record open-circuit voltages in lead-halide perovskite solar cells Krückemeier, Lisa; Rau, Uwe; Stolterfoht, Martin Universität Potsdam https://doi.org/10.25932/publishup-52528	text	January 2021

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