How Useful are Conventional I–Vs for Performance Calibration of Single- and Two-Junction Perovskite Solar Cells? A Statistical Analysis of Performance Data on ≈200 Cells from 30 Global Sources
Abstract
As perovskite photovoltaics (PV) advance from the laboratory to commercial prototypes, their accurate and reliable performance testing is becoming increasingly important. The well‐documented dynamic response of perovskite solar cells to an external applied voltage has led to the development of steady‐state performance measurement methods; however, these methods have not been widely adopted by the perovskite PV community. A key reason for this is that steady‐state measurement methods take tens of minutes to complete, as opposed to conventional “fast” current–voltage ( I – V ) measurements usually lasting a few seconds. Fast I – V s arise from a snapshot, almost always not a steady‐state condition of the device; however, given their widespread use, the question arises: how do performance parameters of perovskite PV compare when measured with fast I – V and with a steady‐state method? Results compiled from approximately 200 perovskite PV cells, including single junction, and two‐terminal perovskite–perovskite and perovskite–Si tandems, show that fast I – V s can provide a useful measure of the open‐circuit voltage of the devices, while the short‐circuit current and the overall efficiency can be widely misestimated. The implications of these findings on performance testing protocols are discussed and possible options for fastmore »
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- OSTI Identifier:
- 1837977
- Alternate Identifier(s):
- OSTI ID: 1834217
- Report Number(s):
- NREL/JA-5900-81278
Journal ID: ISSN 2367-198X; MainId:82051;UUID:6a6a60c7-5442-4b53-bd91-13a0d1311820;MainAdminID:63498
- Grant/Contract Number:
- AC36-08GO28308; 34351
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Solar RRL
- Additional Journal Information:
- Journal Volume: 6; Journal Issue: 1; Journal ID: ISSN 2367-198X
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; linear regression analysis; performance calibration; perovskites; single and two-junction solar cells; tandem cells
Citation Formats
Song, Tao, Friedman, Daniel J., and Kopidakis, Nikos. How Useful are Conventional I–Vs for Performance Calibration of Single- and Two-Junction Perovskite Solar Cells? A Statistical Analysis of Performance Data on ≈200 Cells from 30 Global Sources. United States: N. p., 2021.
Web. doi:10.1002/solr.202100867.
Song, Tao, Friedman, Daniel J., & Kopidakis, Nikos. How Useful are Conventional I–Vs for Performance Calibration of Single- and Two-Junction Perovskite Solar Cells? A Statistical Analysis of Performance Data on ≈200 Cells from 30 Global Sources. United States. https://doi.org/10.1002/solr.202100867
Song, Tao, Friedman, Daniel J., and Kopidakis, Nikos. Thu .
"How Useful are Conventional I–Vs for Performance Calibration of Single- and Two-Junction Perovskite Solar Cells? A Statistical Analysis of Performance Data on ≈200 Cells from 30 Global Sources". United States. https://doi.org/10.1002/solr.202100867. https://www.osti.gov/servlets/purl/1837977.
@article{osti_1837977,
title = {How Useful are Conventional I–Vs for Performance Calibration of Single- and Two-Junction Perovskite Solar Cells? A Statistical Analysis of Performance Data on ≈200 Cells from 30 Global Sources},
author = {Song, Tao and Friedman, Daniel J. and Kopidakis, Nikos},
abstractNote = {As perovskite photovoltaics (PV) advance from the laboratory to commercial prototypes, their accurate and reliable performance testing is becoming increasingly important. The well‐documented dynamic response of perovskite solar cells to an external applied voltage has led to the development of steady‐state performance measurement methods; however, these methods have not been widely adopted by the perovskite PV community. A key reason for this is that steady‐state measurement methods take tens of minutes to complete, as opposed to conventional “fast” current–voltage ( I – V ) measurements usually lasting a few seconds. Fast I – V s arise from a snapshot, almost always not a steady‐state condition of the device; however, given their widespread use, the question arises: how do performance parameters of perovskite PV compare when measured with fast I – V and with a steady‐state method? Results compiled from approximately 200 perovskite PV cells, including single junction, and two‐terminal perovskite–perovskite and perovskite–Si tandems, show that fast I – V s can provide a useful measure of the open‐circuit voltage of the devices, while the short‐circuit current and the overall efficiency can be widely misestimated. The implications of these findings on performance testing protocols are discussed and possible options for fast and accurate testing of perovskite PV are proposed.},
doi = {10.1002/solr.202100867},
journal = {Solar RRL},
number = 1,
volume = 6,
place = {United States},
year = {Thu Nov 25 00:00:00 EST 2021},
month = {Thu Nov 25 00:00:00 EST 2021}
}
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