Sustainable hydrogen production and antibiotic degradation using SeO <sub>2</sub> /Se nanocomposite synthesized via co-precipitation
Bibliographic record
Abstract
This study reports the synthesis, characterization, and photocatalytic performance of SeO2/Se nanocomposites (NC) for sustainable hydrogen production and antibiotic degradation. The nanocomposites were synthesized via a co-precipitation method, yielding stable structures with a bandgap energy of 2.34 eV and an absorption peak at 315 nm. Structural and morphological analyses confirmed a crystalline phase with an average crystallite size of 20.45 ± 1.23 nm and irregular particle morphology averaging 34 nm. Photocatalytic evaluation demonstrated a hydrogen production rate of 654 µmol/g under optimal conditions (50 mg catalyst, pH 10) under simulated sunlight. In parallel, the nanocomposites achieved 99.9% degradation of amoxicillin within 120 min, following pseudo-first-order kinetics with a rate constant of 0.02249 min−1. Reactive oxygen species were identified as the primary drivers of the photocatalytic degradation process. These results highlight the dual functionality of SeO2/Se NC, offering a promising route for simultaneous clean energy production and environmental remediation. The findings contribute to the development of multifunctional photocatalytic materials for sustainable energy and water purification technologies.
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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 | 0.001 |
| 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 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".