Synthesis, Structure,\nElectrochemistry, and Electrochemiluminescence\nof Thienyltriazoles
Bibliographic record
Abstract
Four blue-emitting thienyltriazoles with desired N and\nO coordination\natoms were prepared in high yield via click chemistry for potential\nincorporation into metal complexes. Three of their crystal structures\nwere determined by X-ray crystallography. The electrochemical properties,\nelectronic structures of these thienyltriazoles, <b>1</b>–<b>4</b>, and their correlations were studied using cyclic voltammetry\nand differential pulse voltammetry techniques along with density function\ntheory (DFT) calculations. All of the compounds underwent irreversible\nredox reactions, leading to unstable electrogenerated radical cations\nand anions. Electrochemical gaps determined from the differences between\nfirst formal reduction and oxidation reactions were correlated to\nHOMO–LUMO energy gaps obtained from UV–vis spectroscopy\nand the DFT calculations as well as energies of excited states measured\nfrom photoluminescence spectroscopy. We observed weak electrochemiluminescence\n(ECL) from annihilation of these thienyltriazole radicals in acetonitrile\ncontaining 0.1 M tetra-<i>n</i>-butylammonium perchlorate\nas electrolyte. An enhancement in ECL efficiency ranging from 0.16\nto 0.50% was observed upon addition of benzoyl peroxide as a coreactant\nin the above electrolyte solutions. The generation of excimers in\nsolutions of <b>1</b>–<b>4</b> was observed as\nseen by the red-shift in ECL maxima relative to their corresponding\nphotoluminescence peak wavelengths. Our work is of importance for\nthe development of efficient blue-emitting fluorophores via click\nchemistry that could be potential luminophores in metal complexes.
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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 | 0.001 |
| 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) | 0.037 | 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".