Exploring the impact of spacers in novel indole-based D–π–D–A dyes for high-efficiency DSSCs: A DFT/TD-DFT stud
Why this work is in the frame
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Bibliographic record
Abstract
Population growth and economic development have led to an increase in global energy consumption. Solar energy, a major renewable source, is essential to meeting human energy needs. This study, four new organic dyes (A1–A4) with a D–π–D–A structure using DFT and TD-DFT techniques for their potential application in dye-sensitized solar cells (DSSCs). The impact of π-bridge modifications of the A0 (reference molecule) on the structural, photovoltaic, optical and electronic properties was analyzed. The dyes showed band gaps (Egap) ranging from 2.4 to 3.5eV and absorption wavelengths (λ) from 420.16 to 627.4nm. Results suggest that the modification of the π-bridge of dye A0 enhanced intramolecular charge transfer (ICT). and improved hole injection. Theoretical open-circuit voltages (Voc) varied between 1.15 and 2.36 eV, while light harvesting efficiency (LHE) values ranged from 0.80 to 0.93. This study could effectively assist chemists in the synthesis of efficient dyes for DSSCs.
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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 | 0.000 |
| 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