Aqueous Solution Synthesis of Crystalline Anatase Nanocolloids for the Fabrication of DSC Photoanodes
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Bibliographic record
Abstract
The production of anatase nanocolloids via a novel aqueous solution synthesis method is described. The process involves forced hydrolysis of aqueous solution at low temperature leading to fast nucleation of anatase nanoparticles . The isolated nanopowders were found to consist predominantly of anatase as the major phase , possess a very high surface area (up to ), and a relatively elevated surface hydroxyl content in comparison with the P25 reference material. Single-layer ( thick) photoanodes prepared with aqueous-synthesized powders were found to have a specific surface area of and the anatase nanocrystallites to have grown to and assume a higher degree of crystallinity but still carry surface OH groups. The pore size of the film was determined to be . By comparison, the film prepared with P25 nanoparticles had the following properties: , crystallite size, 0.2% surface OH, and pore size. Dye-sensitized solar cell (DSC) devices assembled with the newly fabricated photoanodes showed equivalent photo-electrochemical performance [power conversion efficiency η, short-circuit current voltage , open-circuit voltage , and Fill Factor (FF)] to cells prepared using the benchmark P25 titania powder.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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