What question did this study set out to answer?

To identify the mechanisms causing measurement artifacts during spectral response testing of monolithic triple-junction solar cells and establish a refined, artifact-minimizing measurement procedure.

December 1, 2003Progress in Photovoltaics Research and Applications

Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple‐junction solar cells: Measurement artifacts and their explanation

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To identify the mechanisms causing measurement artifacts during spectral response testing of monolithic triple-junction solar cells and establish a refined, artifact-minimizing measurement procedure.
Measured spectral response across monolithic GaInP/Ga(In)As/Ge triple-junction solar cells under varying bias spectra and voltage conditions.
Modeled and simulated subcell electrical behavior, evaluating the influence of non-ideal subcell characteristics including low shunt resistance and low reverse breakdown voltage.
Identified that non-ideal characteristics in the germanium bottom cell cause concurrent signal detection from neighboring subcells while suppressing the target subcell's measured response.
Demonstrated that unoptimized bias spectrum and voltage settings distort the overall shape of the spectral response curve.
Formulated a tailored measurement protocol optimizing both bias spectrum and voltage biasing to suppress cross-subcell artifacts.

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Implication

Experimental analysis reveals spectral response measurement artifacts in triple-junction solar cells, indicating the need for optimized bias voltage and spectrum tuning.

Cite This Study

Meusel et al. (2003) studied this question.

synapsesocial.com/papers/69df32c73b0ba53fb37a1e7b https://doi.org/10.1002/pip.514

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Implication

Experimental analysis reveals spectral response measurement artifacts in triple-junction solar cells, indicating the need for optimized bias voltage and spectrum tuning.

Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple‐junction solar cells: Measurement artifacts and their explanation

Key Points

Discussion

Implication

Cite This Study

Spectral response measurements of monolithic GaInP/Ga(In)As/Ge triple‐junction solar cells: Measurement artifacts and their explanation

Key Points

Discussion

Implication

Cite This Study

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