MétaCan
Menu
Back to cohort
Record W2333058320 · doi:10.1021/jp203414q

One-Step Formation of Crystalline TiO<sub>2</sub> Nanotubular Arrays with Intrinsic p–n Junctions

2011· article· en· W2333058320 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueThe Journal of Physical Chemistry C · 2011
Typearticle
Languageen
FieldEnergy
TopicTiO2 Photocatalysis and Solar Cells
Canadian institutionsUniversity of Alberta
Fundersnot available
KeywordsMaterials scienceAnodizingCrystalliteAnataseSemiconductorPhotocurrentAnnealing (glass)NanotechnologyChemical engineeringRutileSurface photovoltagePhotoelectric effectOptoelectronicsComposite materialSpectroscopyPhotocatalysisChemistry

Abstract

fetched live from OpenAlex

It is highly desired to fabricate crystalline TiO 2 nanotubes by anodization without subsequent annealing that may result in cracking and the formation of an interfacial barrier between the nanotubular arrays and the substrate, thus improving the structural integrity and corresponding photoelectric properties. In this work, an attempt was made to fabricate crystalline TiO 2 nanotubular arrays through anodization in a NH 4 F-containing glycerol electrolyte at room temperature (RT) and 100 °C. It was demonstrated that crystalline nanotubes were successfully fabricated at both RT and 100 °C. Photocurrent and surface photovoltage spectra of the nanotubes were measured to investigate their photoinduced charge separation efficiency and semiconductor characteristics. It was interesting to observe that the as-fabricated TiO 2 nanotubes at RT consisted of both rutile and anatase, confirmed by SAD of TEM, which showed apparent p-type semiconductor characteristics. The mechanism for the formation of crystallites at RT and the possibility to develop intrinsic nanoscale p–n junctions were discussed. However, the nanotubes anodized at 100 °C were in the state of anatase, exhibiting n-type semiconductor characteristics.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.009
Threshold uncertainty score0.348

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.014
GPT teacher head0.194
Teacher spread0.180 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it