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Record W2131124489 · doi:10.1002/0471440264.pst483

Poly(<i>p</i>‐phenylenevinylene)

2003· other· en· W2131124489 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

VenueEncyclopedia of Polymer Science and Technology · 2003
Typeother
Languageen
FieldEngineering
TopicOrganic Electronics and Photovoltaics
Canadian institutionsUniversity of British Columbia
Fundersnot available
KeywordsElectroluminescenceConjugated systemMaterials sciencePolymerDopingNanotechnologyLayer (electronics)OptoelectronicsComposite material

Abstract

fetched live from OpenAlex

Abstract This article provides an overview of the methods by which PPV and some of its derivatives may be prepared, the physical and electronic properties of these materials, and the applications that are being explored. Poly( p ‐phenylenevinylene) (PPV) and its derivatives are polymers with potential applications in optoelectronic devices. PPV is a conjugated polymer. Many conjugated polymers are known and exhibit remarkably high electrical conductivities when oxidatively or reductively doped. Much of the early research on PPV focused on the relatively disappointing properties of the doped material; however, interest in this material was reawakened in 1990 when it was discovered that films of undoped PPV could be used as the emitting layer in organic electroluminescent (EL) devices. This discovery stimulated intense research in the area, including many fundamental studies of the properties of PPV and its derivatives, and extensive academic and industrial interest in the applications of the materials.

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: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.206
Threshold uncertainty score0.956

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.001
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 head0.003
GPT teacher head0.189
Teacher spread0.186 · 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