Vacuum‐ultraviolet (VUV) Photo‐polymerization of Amine‐rich Thin Films from Ammonia–Hydrocarbon Gas Mixtures
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Bibliographic record
Abstract
Abstract Photo‐induced polymerization of hydrocarbon “monomers”, both unsaturated C 2 H 4 and saturated CH 4 , has been carried out by vacuum‐ultraviolet (VUV) irradiation of the flowing gases at reduced pressure, employing near‐monochromatic radiation from Kr and Xe lamps. Using mixtures with NH 3 , the source of bound N in the coatings, similar concentrations, [N], can be achieved in both UV‐PE(M):N and low‐pressure plasma polymers, L‐PPE:N, but the former are much richer in primary amines, with selectivity values ([NH 2 ]/[N]) up to 75%. UV‐PE:N and UV‐PM:N films prepared with gas mixture ratios, R , between 0.75 and 1.0 possess the main characteristics required for bio‐technological applications: (i) NH 2 ‐rich, (ii) low loss of [NH 2 ] upon exposure to atmosphere or water, and (iii) very low solubility in aggressive solvents, e.g., water. The VUV photo‐polymerization process, governed by reactions of free radicals from the gas‐phase, appears to result in more stable, more densely cross‐linked deposits than those from plasma‐assisted processes. magnified image
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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) | 0.001 | 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