Visible Light‐Induced Photoeletrochemical and Antimicrobial Properties of Hierarchical CuBi <sub>2</sub> O <sub>4</sub> by Facile Hydrothermal Synthesis
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Narrow bandgap semiconductor CuBi 2 O 4 microstructures such as three dimensional hierarchical microspheres, micro‐flowers, one dimensional microrods and nanorods were fabricated through a facile hydrothermal synthesis approach by systematically changing the synthesis conditions. Their optical properties and photocatalytical performances under visible light illumination were characterized. The hierarchical micro‐flower shaped CuBi 2 O 4 sample showed a high photodecay rate of 0.114 ± 0.002 h −1 with 1 mg/ml CuBi 2 O 4 concentration for methylene blue (30 μM). Under the illumination of an AM 1.5G solar simulator, a 0.02 mA/cm 2 stable cathodic photocurrent density was observed at a low negative bias voltage (‐0.25 V vs (Ag/AgCl)). The micro‐flower shaped CuBi 2 O 4 sample also showed a high antibacterial effect against Escherichia coli , with ∼ 93 % bacteria reduction after 6 h illumination by a commercial white LED light (10 mW/cm 2 ). These results indicate that CuBi 2 O 4 can be a promising candidate for visible light driven energy conversion and antimicrobial applications.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| 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 | 0.000 |
| 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 it