Synergistic EMI Shielding: The Role of Nanoparticle Size and Alternating Bi‐Layer Coatings in Hybrid Fabrics
Bibliographic record
Abstract
Abstract This study presents a hybrid knitted fabric engineered for high‐performance electromagnetic interference shielding effectiveness (EMI SE), achieving a maximum shielding effectiveness of 59.4 dB. The functionalized fabric is made from copper‐cotton core‐spun yarn with alternating bi‐layer of silver nanoparticles (AgNPs), MXene to enhance both conductivity and reflection/absorption. By employing a reactive in situ synthesis process, AgNPs are successfully synthesized directly onto the fabric, achieving particle sizes that range from 15 to 38 nm. Notably, smaller nanoparticles showed improved shielding performance by 7 dB, highlighting the important role of particle size in enhancing EMI shielding effectiveness. In addition, increasing the number of coating layers enhances the shielding effectiveness. In order to improve the durability of the fabric, (3‐Aminopropyl)triethoxysilane (APTES) treatment is performed, which contributed to the preservation of stable EMI shielding properties, even after 90 min of washing. Beyond EMI shielding performance, the APTES‐treated fabrics demonstrate good air permeability and moisture vapor transmission rates, ensuring they are breathable and comfortable, making them potential candidates for wearable applications where EMI exposure is a concern.
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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 | 0.001 | 0.003 |
| 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 | 0.001 | 0.001 |
| 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".