Optimization of bonded III-V on Si multi-junction solar cells
Why this work is in the frame
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Bibliographic record
Abstract
In this work, a high efficiency III-V on Si 3-junction solar cell achieved through intermediate metal connection and areal current matching is presented. The cell has an efficiency of 25.8% under 1 sun AM 1.5G. Factors that are important to the further improvement of the cell performance are discussed. By advanced optical coupling methods, the reflection loss at the bonding interface can be reduced to less than 5%. Shadowing loss can be reduced to less than 10% by using aligned intermediate metal contact schemes. The bonding resistance is measured to be around 0.012 Ohm-cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> , enabling operation of the cell up to illumination of 50 suns. This work also discusses the enhanced resistance to spectral variations for multi-junction cells operating under varying environmental conditions using the areal current matching technique.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it