Abstract
Accurate measurement of the photovoltaic conversion efficiency under standard test conditions is essential for meaningful comparisons of the device performance of different types of solar cells. A methodology is presented for calibrating reference cells and calculating spectral mismatch factors, and then using these to obtain the corrected short-circuit current with respect to standard test conditions. Using this technique, the current, and hence efficiency, of a given photovoltaic device can be measured with an accuracy of better than 2%, independent of the spectral response of the reference cell or the spectral irradiance of the light source. A second method does not use a reference cell, but depends on an absolute spectral irradiance measurement, and has an accuracy of approximately 5%.
Original language | American English |
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Pages | 623-628 |
Number of pages | 6 |
State | Published - 1985 |
Event | Eighteenth IEEE Photovoltaic Specialists Conference-1985 - Las Vegas, Nevada Duration: 21 Oct 1985 → 25 Oct 1985 |
Conference
Conference | Eighteenth IEEE Photovoltaic Specialists Conference-1985 |
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City | Las Vegas, Nevada |
Period | 21/10/85 → 25/10/85 |
Bibliographical note
Work performed by Solar Energy Research Institute, Golden, Colorado, and Energy Conversion Devices, Inc., Troy, MichiganNREL Publication Number
- SERI/CP-213-7824
Keywords
- conversion efficiency
- photovoltaics (PV)
- PV
- solar cells
- spectral irradiance