Synthesis of Hydroxyl-Rich Anatase Nanocrystallites, Their Characterization and Performance as Photoanode in Dye-Sensitized Solar Cells
Why this work is in the frame
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Bibliographic record
Abstract
In this work an environmentally-friendly aqueous solution process was elaborated to produce hydroxyl-rich anatase nanocrystallites of very large surface area. The aqueous-synthesized nanocrystalline anatase material was shown to have favorable physical properties (e.g. 160-280 m2/g specific surface area, 5~8 nm crystallite size, high concentration of OH surface groups) for fabricating photoanodes for dye-sensitized solar cells (DSSCs). The fabrication process involved paste preparation, "double-layer" screen printing, annealing and sensitization with the N719 dye [cis - (2,2'- bipyridyl - 4,4'- dicarboxylate)2 (NCS)2 ruthenium(II)]. Photocurrent -voltage measurements of DSSCs based on the aqueous-synthesized titania showed higher photocurrent and conversion efficiency when compared to cells built from commercial benchmark nanotitania materials. The enhanced performance of the aqueous titania-based DSSC is discussed on the basis of extensive characterization work that included XRD, TEM, UV-Vis and Raman/ATR-FTIR spectroscopy.
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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