Advantageous Interfacial Effects of AgPd/g‐C<sub>3</sub>N<sub>4</sub> for Photocatalytic Hydrogen Evolution: Electronic Structure and H<sub>2</sub>O Dissociation
Bibliographic record
Abstract
Abstract Bimetallic AgPd nanoparticles have been synthesized before, but the interfacial electronic effects of AgPd on the photocatalytic performance have been investigated less. In this work, the results of hydrogen evolution suggest that the bimetallic AgPd/g‐C 3 N 4 sample has superior activity to Ag/g‐C 3 N 4 and Pd/g‐C 3 N 4 photocatalysts. The UV/Vis diffuse reflectance spectroscopy, X‐ray photoelectron spectroscopy, CO adsorption diffuse reflectance FTIR spectroscopy, and FTIR results demonstrate that in the AgPd/g‐C 3 N 4 , the surface electronic structures of Pd and Ag are changed, which is beneficial for faster photogenerated electron transfer and greater H 2 O molecule adsorption. In situ ESR spectra suggest that, under visible light irradiation, there is more H 2 O dissociation to radical species on the AgPd/g‐C 3 N 4 photocatalyst. Furthermore, DFT calculations confirm the interfacial electronic effects of AgPd/g‐C 3 N 4 , that is, Pd δ− ⋅⋅⋅Ag δ+ , and the activation energy of H 2 O molecule dissociation on AgPd/g‐C 3 N 4 is the lowest, which is the main contributor to the enhanced photocatalytic H 2 evolution.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".