The Effect of Linker‐to‐Metal Energy Transfer on the Photooxidation Performance of an Isostructural Series of Pyrene‐Based Rare‐Earth Metal–Organic Frameworks
Bibliographic record
Abstract
Abstract The tetratopic linker, 1,3,6,8‐tetrakis(p‐benzoic acid)pyrene (H 4 TBAPy) along with rare‐earth (RE) ions is used for the synthesis of 9 isostructures of a metal–organic framework (MOF) with shp topology, named RE‐CU‐10 (RE = Y(III), Gd(III), Tb(III), Dy(III), Ho(III), Er(III), Tm(III), Yb(III), and Lu(III)). The synthesis of each RE‐CU‐10 analogue requires different reaction conditions to achieve phase pure products. Single crystal X‐ray diffraction indicates the presence of a RE 9 ‐cluster in Y‐ to Tm‐CU‐10, while a RE 11 ‐cluster is observed for Yb‐ and Lu‐CU‐10. The photooxidation performance of RE‐CU‐10 analogues is evaluated, observing competition between linker‐to‐metal energy transfer versus the generation of singlet oxygen. The singlet oxygen produced is used to detoxify a mustard gas simulant 2‐chloroethylethyl sulfide, with half‐lives ranging from 4.0 to 5.8 min, some of the fastest reported to date using UV‐irradiation and < 1 mol% catalyst, in methanol under O 2 saturation.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".