Photothermal management of mechano-chromic window based on stretchable metasurface
Why this work is in the frame
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Bibliographic record
Abstract
As global climate change and the energy crisis intensify, the development of a window that effectively transmits visible (VIS) light and simultaneously optimizes near-infrared (NIR) reflectance and atmospheric window (AW) emissivity has become an effective solution to increase energy efficiency and improve living comfort. In this paper, we propose a novel mechano-chromic window-driven photothermal management system using a composite array structure composed of polydimethylsiloxane substrate and cladding of Si 3 N 4 and Ag. The parametric structure is systematically optimized by using the particle swarm optimization algorithm. The system can adjust the transmittance and emissivity of the solar spectrum and AW at different temperatures by mechanical stretching. When unstretched at high temperatures, the window has 57.4% VIS transmittance, while the NIR transmittance drops to 17.4%. After stretching the structure in relatively warm weather, the VIS transmittance increased to 69.8% and the NIR transmittance increased to 47.5%. In the AW, the structure before and after stretching exhibits high emissivity to achieve the radiative cooling effect. The design shows remarkable flexibility in balancing VIS transmittance and AW emissivity. This technology has the potential for a vast application in thermoregulation in buildings, transportation and public facilities.
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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