Laser-induced fluorescence spectroscopy of TIPS-pentacene
Why this work is in the frame
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Bibliographic record
Abstract
Polycyclic aromatic hydrocarbons, particularly acenes, are gaining attention as candidates for organic semiconductors. TIPS-pentacene, a functionalized acene with triisopropylsilyl (TIPS) side groups, demonstrates enhanced physical stability, solubility, and superior charge transport properties due to improved molecular packing. This study presents a high-resolution laser-induced fluorescence study comparing TIPS-pentacene and pentacene isolated in helium nanodroplets and attached to solid rare-gas clusters (neon and argon). Our findings reveal distinct differences in the vibronic structures of these molecules, with TIPS-pentacene displaying pronounced vibrational progressions of low frequency vibrational modes of the molecular side groups. The results offer insights into matrix effects and advance our understanding of TIPS-pentacene’s vibronic structure, recently reported to contribute via coherent vibrational wave packets to ultrafast singlet fission processes.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 it