Evolution of Bulk c-Si Properties during the Processing of GaP/c-Si Heterojunction Cell
Why this work is in the frame
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Bibliographic record
Abstract
One of the limitations of current amorphous silicon/crystalline silicon heterojunction solar cells are optical losses in the amorphous silicon (a-Si:H) layers that limit the short circuit current. In this work, we propose to replace amorphous silicon layers by a thin crystalline gallium phosphide (GaP) layer in heterojunctions solar cells. We show that the better transparency of GaPcompared to a-Si:H promises gain in the UV region. However, the annealing in the MOCVD chamber before GaP growth that is necessary for high quality GaP epitaxial growth degrades the bulk silicon minority carrier lifetime. This degradation is attributed to fast diffusing species and can be overcome by a gettering process.
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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) | 0.000 | 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