Terrestrial solar spectra, solar simulation, and solar-cell-efficiency measurement
After a discussion of the fundamentals of light transmittance, both measured and modeled atmospheric effects (i.e., air mass, molecular and aerosal scattering, and absorption) on terrestrial solar spectra are discussed. Geometric effects, such as global rather than direct beam measurements, and detector orientation are also reviewed. The SERI proposed ASTM global and direct beam terrestrial solar spectra are also presented. Then a detailed review/evaluation of the spectral characteristics of a number of solar simulators is given. Methods of calibrating the short circuit current of a solar cell with respect to a given irradiance spectrum are discussed. In conclusion, the need for a sophisticated solar simulator is proportional to the spectral mismatch between the spectral response of the reference cell used to set the solar simulator and that of the test cell. The report recommends using the recently proposed ASTM terrestrial solar irradiance spectrum as a reference spectrum and using either filtered xenon-arc or dichroic filtered tungsten-halogen (ENX or ELH) lamps for solar simulation.
- Research Organization:
- Solar Energy Research Inst., Golden, CO (USA)
- DOE Contract Number:
- AC02-77CH00178
- OSTI ID:
- 5912719
- Report Number(s):
- SERI/TR-612-964; ON: DE82002082
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ABSORPTION
ANALOG SYSTEMS
CALIBRATION
CURRENTS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
EQUIPMENT
EVALUATION
FUNCTIONAL MODELS
LIGHT BULBS
LIGHT SCATTERING
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
RADIATIONS
SCATTERING
SIMULATORS
SOLAR CELLS
SOLAR EQUIPMENT
SOLAR RADIATION
SOLAR SIMULATORS
SPECTRA
SPECTRAL RESPONSE
STELLAR RADIATION