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Record W2971385666 · doi:10.1021/acsanm.9b01304

Graphene Nanoscrolls via Electric-Field-Induced Transformation of Water-Submerged Graphene Nanoribbons for Energy Storage, Nanofluidic, and Nanoelectronic Applications

2019· article· en· W2971385666 on OpenAlexaff
Mahnaz Islam, Md Mushfiqur Rahman, M. M. Chowdhury, Md. Kawsar Alam

Bibliographic record

VenueACS Applied Nano Materials · 2019
Typearticle
Languageen
FieldMaterials Science
TopicGraphene research and applications
Canadian institutionsUniversity of British Columbia
Fundersnot available
KeywordsGrapheneMaterials scienceNanotechnologyGraphene nanoribbonsElectric fieldEnergy storagePhysics

Abstract

fetched live from OpenAlex

Nanoscroll is a rolled-up sheet of nanoribbon resembling a spiral papyrus-like multilayer structure, having a broad range of applications from gas and energy storage to nanofluidic and nanoelectronic devices. However, the existing methods of fabrication suffer from complex processing, high energy consumption, abundant impurities, and/or hybrid nanostructures, rendering them insufficient to fabricate scalable and high-quality nanoscrolls. Here, we predict that a graphene nanoribbon self-assembles into a nanoscroll under the influence of an external rotating electric field. Using molecular dynamics simulation, we show that electric-field-induced alignment of water dipoles originates rotation in a water-submerged graphene nanoribbon. On the basis of this principle, we propose a setup for nanoscroll formation from water-submerged graphene nanoribbon where one end of the nanoribbon is kept fixed, while the other end orients itself with the rotating electric field and, eventually, self-assembles into a nanoscroll. The nanoscroll is found to be energetically more stable than the initial configuration and retains its stability on removal of the external field as well as the aqueous environment. Findings from concentration profiles of the nanoscroll further confirm the stability as well as uniformity of its morphology. The formation mechanism is found to be minimally dependent on the applied field’s strength and frequency. The proposed method can be used to induce self-assembly of any nanoribbon structure independent of its dimensions and chirality and multilayer nanoribbons as well as to form nanotemplate encapsulated core/shell composites. The proposed method would enable large-scale realization of high-quality nanoscrolls from nanoribbons, facilitating fundamental and applied research on nanomaterials.

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.

How this classification was reachedexpand

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
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 score0.033
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
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 head0.008
GPT teacher head0.233
Teacher spread0.225 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations11
Published2019
Admission routes1
Has abstractyes

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