Light-Induced Degradation in Crystalline Silicon Solar Cells
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Solar cells manufactured on single-crystalline boron-doped Czochralski-grown silicon (Cz-Si) degrade in efficiency by up to 10% (relative) when exposed to light or minority carriers are injected in the dark until a stable level of performance is reached. This effect, which is now known for 30 years, is due to the activation of a specific metastable defect in the silicon bulk. Although a conclusive explanation of the effect is still to be found, recent investigations have clearly revealed that the metastable defect is correlated with the boron and the oxygen concentration in the material. In block-cast multicrystalline silicon (mc-Si) the same degradation behavior can be observed, but due to the lower oxygen content of mc-Si compared to Cz-Si, the degradation occurs to a lesser extent. The first part of this paper reviews the current status of the physical understanding of the degradation effect and gives an overview of the defect models proposed in the literature. In the second part, an overview of different strategies for avoiding or reducing the degradation is presented.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.002 | 0.002 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.003 |
| Open science | 0.003 | 0.002 |
| Research integrity | 0.000 | 0.002 |
| 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