Solar-Powered CO<sub>2</sub> Capture and Release Using Amine-Functionalized Plasmonic Titanium Nitride Nanoparticles
Bibliographic record
Abstract
High Resolution Image Download MS PowerPoint Slide We report the first use of titanium nitride (TiN) nanoparticles functionalized with (3-aminopropyl)triethoxysilane (APTES) for reversible CO 2 capture and release under simulated flue gas conditions via plasmonic heating. The localized photothermal effect of TiN enables low-energy desorption of CO 2, circumventing the high thermal loads typically required for sorbent regeneration. In situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and mass spectrometry (MS) reveal distinct carbonaceous surface species and reaction pathways modulated by material stability, energy input, and capture medium. The TiN–APTES hybrid system demonstrated excellent durability and desorption efficiency across multiple cycles, establishing a mechanistically distinct and energetically favorable platform for CO 2 cycling. These findings highlight a new direction in photothermally driven gas separations with implications for scalable, low-carbon capture 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 | 0.000 | 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) | 0.000 | 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".