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Title: Series Resistance Measurements of Perovskite Solar Cells Using JscVoc Measurements

Abstract

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 Jsc–Voc 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 Cs0.25FA0.75Pb(Br0.2I0.8)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.

Authors:
 [1];  [2];  [3];  [3];  [1];  [2];  [4];  [2]
  1. Arizona State Univ., Tempe, AZ (United States); Univ. of Konstanz (Germany)
  2. Arizona State Univ., Tempe, AZ (United States)
  3. Stanford Univ., CA (United States)
  4. Stanford Univ., CA (United States); Univ. of Colorado, Boulder, CO (United States)
Publication Date:
Research Org.:
Stanford Univ., CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1686154
Alternate Identifier(s):
OSTI ID: 1496908
Grant/Contract Number:  
EE0008167
Resource Type:
Accepted Manuscript
Journal Name:
Solar RRL
Additional Journal Information:
Journal Volume: 3; Journal Issue: 4; Journal ID: ISSN 2367-198X
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY

Citation Formats

Mundhaas, Noemi, Yu, Zhengshan J., Bush, Kevin A., Wang, Hsin‐Ping, Häusele, Jakob, Kavadiya, Shalinee, McGehee, Michael D., and Holman, Zachary C. Series Resistance Measurements of Perovskite Solar Cells Using Jsc–Voc Measurements. United States: N. p., 2019. Web. doi:10.1002/solr.201800378.
Mundhaas, Noemi, Yu, Zhengshan J., Bush, Kevin A., Wang, Hsin‐Ping, Häusele, Jakob, Kavadiya, Shalinee, McGehee, Michael D., & Holman, Zachary C. Series Resistance Measurements of Perovskite Solar Cells Using Jsc–Voc Measurements. United States. doi:https://doi.org/10.1002/solr.201800378
Mundhaas, Noemi, Yu, Zhengshan J., Bush, Kevin A., Wang, Hsin‐Ping, Häusele, Jakob, Kavadiya, Shalinee, McGehee, Michael D., and Holman, Zachary C. Wed . "Series Resistance Measurements of Perovskite Solar Cells Using Jsc–Voc Measurements". United States. doi:https://doi.org/10.1002/solr.201800378. https://www.osti.gov/servlets/purl/1686154.
@article{osti_1686154,
title = {Series Resistance Measurements of Perovskite Solar Cells Using Jsc–Voc Measurements},
author = {Mundhaas, Noemi and Yu, Zhengshan J. and Bush, Kevin A. and Wang, Hsin‐Ping and Häusele, Jakob and Kavadiya, Shalinee and McGehee, Michael D. and Holman, Zachary C.},
abstractNote = {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 Jsc–Voc 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 Cs0.25FA0.75Pb(Br0.2I0.8)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.},
doi = {10.1002/solr.201800378},
journal = {Solar RRL},
number = 4,
volume = 3,
place = {United States},
year = {2019},
month = {2}
}

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    Works referencing / citing this record:

    How to Report Record Open‐Circuit Voltages in Lead‐Halide Perovskite Solar Cells
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