Incorporation of spatially-resolved current density measurements with photoluminescence for advanced parameter imaging of solar cells
Abstract
The spatial distribution of device performance parameters of solar cells provides important insight into their operation, including the type and magnitude of conversion losses and potential areas of improvement. In most of the procedures used to create these parameter images, a uniform (i.e., global) short-circuit current density (JSC) is usually assumed. However, JSC is known to vary over the surface of a solar cell, especially in polycrystalline absorber materials like multicrystalline silicon. In this work, a high speed quantum efficiency measurement rastered over the surface of a solar cell is used to obtain images of JSC. These JSC images are then used to calculate images of series resistance, dark saturation current density, fill factor, and conversion efficiency. Comparisons are made between the images created with a global JSC and with the spatially-resolved JSC. Negligible variation is observed in the series resistance and dark saturation current density images, but a drastic change is observed in the efficiency images between these two methods.
- Authors:
-
- Univ. of Central Florida, Orlando, FL (United States)
- Publication Date:
- Research Org.:
- Univ. of Central Florida, Orlando, FL (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- OSTI Identifier:
- 1613500
- Alternate Identifier(s):
- OSTI ID: 1547429
- Grant/Contract Number:
- EE0008155; EE-0008155
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Solar Energy Materials and Solar Cells
- Additional Journal Information:
- Journal Volume: 199; Journal ID: ISSN 0927-0248
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY
Citation Formats
Hossain, Mohammad Jobayer, Schneller, Eric J., Li, Mengjie, and Davis, Kristopher O. Incorporation of spatially-resolved current density measurements with photoluminescence for advanced parameter imaging of solar cells. United States: N. p., 2019.
Web. doi:10.1016/j.solmat.2019.04.012.
Hossain, Mohammad Jobayer, Schneller, Eric J., Li, Mengjie, & Davis, Kristopher O. Incorporation of spatially-resolved current density measurements with photoluminescence for advanced parameter imaging of solar cells. United States. https://doi.org/10.1016/j.solmat.2019.04.012
Hossain, Mohammad Jobayer, Schneller, Eric J., Li, Mengjie, and Davis, Kristopher O. 2019.
"Incorporation of spatially-resolved current density measurements with photoluminescence for advanced parameter imaging of solar cells". United States. https://doi.org/10.1016/j.solmat.2019.04.012. https://www.osti.gov/servlets/purl/1613500.
@article{osti_1613500,
title = {Incorporation of spatially-resolved current density measurements with photoluminescence for advanced parameter imaging of solar cells},
author = {Hossain, Mohammad Jobayer and Schneller, Eric J. and Li, Mengjie and Davis, Kristopher O.},
abstractNote = {The spatial distribution of device performance parameters of solar cells provides important insight into their operation, including the type and magnitude of conversion losses and potential areas of improvement. In most of the procedures used to create these parameter images, a uniform (i.e., global) short-circuit current density (JSC) is usually assumed. However, JSC is known to vary over the surface of a solar cell, especially in polycrystalline absorber materials like multicrystalline silicon. In this work, a high speed quantum efficiency measurement rastered over the surface of a solar cell is used to obtain images of JSC. These JSC images are then used to calculate images of series resistance, dark saturation current density, fill factor, and conversion efficiency. Comparisons are made between the images created with a global JSC and with the spatially-resolved JSC. Negligible variation is observed in the series resistance and dark saturation current density images, but a drastic change is observed in the efficiency images between these two methods.},
doi = {10.1016/j.solmat.2019.04.012},
url = {https://www.osti.gov/biblio/1613500},
journal = {Solar Energy Materials and Solar Cells},
issn = {0927-0248},
number = ,
volume = 199,
place = {United States},
year = {Wed May 08 00:00:00 EDT 2019},
month = {Wed May 08 00:00:00 EDT 2019}
}
Web of Science
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