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Sandia National Laboratories is a multimission laboratory managed and operated by National Technology Abrahamse, A.; Andrews, R.; Pearce, J. 2014. Effects of Spectral Albedo on Solar Photovoltaic Devices. Solar Energy Materials and Solar Cells. 124. 111–116. 10.1016/j.solmat.2014.01.046. Mining EQE from Field Data Relies on natural variations in the incident solar spectrum Similar to Analytic Suns-VOC, need sufficiently long and varying time series Unique challenges for modules 26 Brennan, M.P.; Abrahamse, A.; Andrews, R.; Pearce, J. 2014. Effects of Spectral Albedo on Solar Photovoltaic Devices. Solar Energy Materials and Solar Cells. 124. 111–116. 10.1016/j.solmat.2014.01.046. Time Series Matrix Representation27 JSC1 JSC2 JSCt EQE𝜆1 EQE𝜆2 EQE𝜆n 𝜙1𝜆1 𝜙1𝜆2 𝜙1𝜆n 𝜙2𝜆1 𝜙2𝜆2 𝜙2𝜆n . 𝜙t𝜆1 𝜙t𝜆2 𝜙t𝜆n Initial Analytic EQE result Reasonable shape of QE curve in UV region based on bound least-squares matrix inversion EQE is overestimated in IR region due to temperature effect on the band gap Also shows decreases in EQE corresponding to O2 and H2O absorbance in AM1.5G spectrum 28 Module Ex ternal Quantum Ef fic ienc y Initial Analytic EQE result Reasonable shape of QE curve in UV region based on bound least-squares matrix inversion EQE is overestimated in IR region due to temperature effect on the band gap Also shows decreases in EQE corresponding to O2 and H2O absorbance in AM1.5G spectrum 29 Cleveland, Cutler J., and Christopher G. Morris. Handbook of energy diagrams, charts, and tables. Vol. 1. Newnes, 2013. Module Ex ternal Quantum Ef fic ienc y Temperature-based band gap shift applied to spectral data30 Module Ex ternal Quantum Ef fic ienc y
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