Low temperature p+ nc-Si:H window layers for large area thin-film solar cells
Bibliographic record
Abstract
Hydrogenated nanocrystalline silicon (nc-Si:H) has attracted attention recently over amorphous silicon (a-Si:H) for use in thin-film solar cell applications primarily due to its higher stability and light absorbing capacity.In addition, there is increasing interest in device fabrication on low-cost, light weight and flexible substrates where optimizing deposition conditions of nc-Si:H thin films at low substrate temperatures (< 200 O C ) poses challenges.In such solar cells, the thin boron-doped (p') window layer significantly determines crystalline growth of the overlying intrinsic absorber layer, quality of which eventually governs device performance.h this research, material properties of thin p+ nc-Si:H films (50 -300 nm) were investigated.Samples were deposited using plasma enhanced chemical vapor deposition (PECVD) at low temperatures (75 or 150 OC) with various RF power andlor pressure conditions.Results from characterization experiments and feasibility of incorporating such low-temperature thin pf nc-Si:H films as solar cell window layers are discussed.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.002 | 0.001 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".