Novel process flow and cell architecture for 10 µm thick membrane single-crystalline silicon solar cell
Bibliographic record
Abstract
Ultra-thin single-crystalline (sc-Si) solar cells are one possible route towards the goal of low-cost high-efficiency photovoltaics. The main motivation for such solar cells is cost-reduction due to the drastic reduction of high-purity silicon required for fabrication. This reduction is typically an order of magnitude from that of conventional cells, while still maintaining a reasonable efficiency. In this work, novel ultra-thin solar cells were fabricated on a large-area 10 μm thick sc-Si free standing membrane using a novel lithography-free laboratory process that is simpler and more versatile than that reported elsewhere. The procedure allows for high temperature front and rear-side processing and is ideal as a base process flow for further investigation of ultra-thin sc-Si cells. The initial un-optimized solar cell fabricated using this process flow achieved an efficiency of 6.6% via a fill factor of 0.71, a short circuit current of 17.0 mA cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-2</sup> and an open circuit voltage of 0.54 V. Further improvements are anticipated with the incorporation of an antireflection coating, thin film surface passivation and a rearreflector or surface texture.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".