Carrier mobility of organic semiconductors based on current-voltage characteristics
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Bibliographic record
Abstract
Carrier mobility is one of the most critical parameters in organic electronics. There is a strong interest in measuring the mobility of thin-film organic semiconductors using simple techniques, such as from current-voltage (I-V) measurements. This paper discusses how to extract mobility from I-V characteristics, ranging from space charge limited current (SCLC) to injection limited current (ILC). It is found that the mobility extracted from SCLC may significantly deviate from the value measured by time-of-flight depending on the contacting nature at the injection interface. Therefore, the SCLC cannot in general be used to accurately measure mobility. However, the mobility extracted from ILC, which incorporates the injection barrier height measured by ultraviolet photoelectron spectroscopy, is found to be more reliable for unknown materials systems.
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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 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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