Empirical Procedure to Correct Concentrator Cell Efficiency Measurement Errors Caused by Unfiltered Xenon Flash Solar Simulators

C. R. Osterwald; M. W. Wanlass; T. Moriarty; M. A. Steiner; K. A. Emery

doi:10.1109/PVSC.2014.6925466

Empirical Procedure to Correct Concentrator Cell Efficiency Measurement Errors Caused by Unfiltered Xenon Flash Solar Simulators

C. R. Osterwald, M. W. Wanlass, T. Moriarty, M. A. Steiner, K. A. Emery

Chemistry and Nanoscience

Research output: Contribution to conference › Paper › peer-review

9 Scopus Citations

Abstract

In this paper, we present an empirical error correction procedure for efficiency measurements of series-connected, multijunction concentrator solar cells. The error arises from the use of unfiltered xenon flash solar simulators with excess infrared radiation (wavelengths > 900 nm) into lower-bandgap subcells, and always results in an artificial increase of the measured efficiency. The efficacy of the procedure is demonstrated by comparing unfiltered efficiency data against other data from a flash simulator in which the spectral irradiance was properly adjusted.

Original language	American English
Pages	2616-2619
Number of pages	4
DOIs	https://doi.org/10.1109/PVSC.2014.6925466 https://doi.org/10.1109/PVSC.2014.6925466
State	Published - 15 Oct 2014
Event	40th IEEE Photovoltaic Specialist Conference, PVSC 2014 - Denver, United States Duration: 8 Jun 2014 → 13 Jun 2014

Conference

Conference	40th IEEE Photovoltaic Specialist Conference, PVSC 2014
Country/Territory	United States
City	Denver
Period	8/06/14 → 13/06/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

NREL Publication Number

NREL/CP-5J00-62050

Keywords

efficiency measurements
multijunction solar cells
photovoltaic concentrator cells
solar simulators
spectral errors

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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Osterwald, C. R., Wanlass, M. W., Moriarty, T., Steiner, M. A., & Emery, K. A. (2014). Empirical Procedure to Correct Concentrator Cell Efficiency Measurement Errors Caused by Unfiltered Xenon Flash Solar Simulators. 2616-2619. Paper presented at 40th IEEE Photovoltaic Specialist Conference, PVSC 2014, Denver, United States. https://doi.org/10.1109/PVSC.2014.6925466, https://doi.org/10.1109/PVSC.2014.6925466

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title = "Empirical Procedure to Correct Concentrator Cell Efficiency Measurement Errors Caused by Unfiltered Xenon Flash Solar Simulators",

abstract = "In this paper, we present an empirical error correction procedure for efficiency measurements of series-connected, multijunction concentrator solar cells. The error arises from the use of unfiltered xenon flash solar simulators with excess infrared radiation (wavelengths > 900 nm) into lower-bandgap subcells, and always results in an artificial increase of the measured efficiency. The efficacy of the procedure is demonstrated by comparing unfiltered efficiency data against other data from a flash simulator in which the spectral irradiance was properly adjusted.",

keywords = "efficiency measurements, multijunction solar cells, photovoltaic concentrator cells, solar simulators, spectral errors",

author = "Osterwald, {C. R.} and Wanlass, {M. W.} and T. Moriarty and Steiner, {M. A.} and Emery, {K. A.}",

note = "Publisher Copyright: {\textcopyright} 2014 IEEE.; 40th IEEE Photovoltaic Specialist Conference, PVSC 2014 ; Conference date: 08-06-2014 Through 13-06-2014",

year = "2014",

month = oct,

day = "15",

doi = "10.1109/PVSC.2014.6925466",

language = "American English",

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Osterwald, CR, Wanlass, MW, Moriarty, T, Steiner, MA & Emery, KA 2014, 'Empirical Procedure to Correct Concentrator Cell Efficiency Measurement Errors Caused by Unfiltered Xenon Flash Solar Simulators', Paper presented at 40th IEEE Photovoltaic Specialist Conference, PVSC 2014, Denver, United States, 8/06/14 - 13/06/14 pp. 2616-2619. https://doi.org/10.1109/PVSC.2014.6925466, https://doi.org/10.1109/PVSC.2014.6925466

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AU - Osterwald, C. R.

AU - Wanlass, M. W.

AU - Moriarty, T.

AU - Steiner, M. A.

AU - Emery, K. A.

PY - 2014/10/15

Y1 - 2014/10/15

N2 - In this paper, we present an empirical error correction procedure for efficiency measurements of series-connected, multijunction concentrator solar cells. The error arises from the use of unfiltered xenon flash solar simulators with excess infrared radiation (wavelengths > 900 nm) into lower-bandgap subcells, and always results in an artificial increase of the measured efficiency. The efficacy of the procedure is demonstrated by comparing unfiltered efficiency data against other data from a flash simulator in which the spectral irradiance was properly adjusted.

AB - In this paper, we present an empirical error correction procedure for efficiency measurements of series-connected, multijunction concentrator solar cells. The error arises from the use of unfiltered xenon flash solar simulators with excess infrared radiation (wavelengths > 900 nm) into lower-bandgap subcells, and always results in an artificial increase of the measured efficiency. The efficacy of the procedure is demonstrated by comparing unfiltered efficiency data against other data from a flash simulator in which the spectral irradiance was properly adjusted.

KW - efficiency measurements

KW - multijunction solar cells

KW - photovoltaic concentrator cells

KW - solar simulators

KW - spectral errors

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DO - 10.1109/PVSC.2014.6925466

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T2 - 40th IEEE Photovoltaic Specialist Conference, PVSC 2014

Y2 - 8 June 2014 through 13 June 2014

ER -

Empirical Procedure to Correct Concentrator Cell Efficiency Measurement Errors Caused by Unfiltered Xenon Flash Solar Simulators

Abstract

Conference

Bibliographical note

NREL Publication Number

Keywords

UN SDGs

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