Plasmonic Titanium Nitride/g-C<sub>3</sub>N<sub>4</sub> with Inherent Interface Facilitates Photocatalytic CO<sub>2</sub> Reduction
Why this work is in the frame
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Bibliographic record
Abstract
Plasmonic metal nitride is a practical alternative for plasmonic gold nanoparticles owing to its low-cost, tunable plasmonic resonance in the visible-light and near-IR region. However, an efficient charge transfer between plasmonic metal nitride nanoparticles and graphitic carbon nitride g-C3N4 through the formation of chemical bonds remains challenging. Herein, a facile strategy for the fabrication of plasmonic titanium nitride/g-C3N4 with intimate contact toward an enhanced photocatalytic CO2 reduction is proposed. The functionalization of TiN nanoparticles with amino groups enables the copolymerization with g-C3N4 precursors, offering intimate contact between them by the covalent bonds. This intimate contact could facilitate the electron transfer between TiN nanoparticles and g-C3N4. Under optimized conditions, the representative g-C3N4-2.8TiN has the highest CO production rate of ∼820 μmol g–1 h–1 with an apparent quantum yield of 3.5% at 400 nm and even 0.43% at 550 nm, which are some of the highest reported values for g-C3N4-based materials. This work offers promising opportunities to fabricate low-cost plasmonic nanoparticle/semiconductor systems for solar energy 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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| 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 it