Electrodeposited Pt-Ir Thin Films as DMFC Anode Materials
Why this work is in the frame
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Bibliographic record
Abstract
Pt-Ir alloys have been reported previously to be very good catalysts towards the methanol oxidation reaction (MOR), although the composition of these films was not known with certainty. In the present work, thin Pt-Ir films of varying, but controlled, composition were fabricated using electrodeposition, with a charge efficiency of close to 100%. X-ray photoelectron spectroscopy (XPS) analysis showed that the film composition is fully homogeneous with depth into the film and that it matches very closely with the metal molar ratio in the deposition solution. The Pt-Ir film composition with the highest MOR activity was found to have a 2:1 Pt:Ir mass ratio and 1:1 surface composition ratio, based on measurements of the underpotentially deposited adsorbed hydrogen charge.
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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) | 0.007 | 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 it