Charge Carrier Mobility of Siliconized Liquid Triarylamine Organic Semiconductors by Time-of-Flight Spectroscopy.
Bibliographic record
Abstract
Triarylamines are a well-established family of organic semiconductors. Recently, we have attached short silicone chains to these molecules to alter their mechanical properties. The resulting compounds are liquids at room temperature. We have undertaken to confirm the suitability of these molecules for use in thin film flexible devices. One fundamental property of semiconductors is the charge carrier mobility, which provides a quantitative estimate for how rapidly charge percolates through a material. The charge carrier mobility for a series of six recently developed liquid siliconized triarylamines was measured using time-of-flight spectroscopy (TOF). In order to evaluate the effect of glass transition temperature on mobility, TOF was performed for different electric fields at temperatures above and below the glass transition temperature. Mobilities were found to compare favorably to the charge carrier mobilities of conventional nonliquid triarylamines. It was further observed that the mobilities conform to the predictions of the disorder formalism for a disordered solid both above and below the glass transition temperature. This suggests that charge transport is dominated by thermally activated intermolecular hopping rather than by any convective or diffusive mass transport within the liquid phase.
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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".