Evidence map›Paper›PMID 36365765›Full record

ArticlePolymers2022

A Flexible Piezoelectric Device for Frequency Sensing from PVDF/SWCNT Composite Fibers.

Sejin Choi, Jihwan Lim, Hansol Park, Han Seong Kim

Abstract read
In one paragraph

Article in Polymers, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Review
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Sejin ChoiSchool of Chemical Engineering, Pusan National University, 2, Busandaehak-ro 63boen-gil, Geumjeong-gu, Busan 46241, Korea.ORCID 0000-0001-8123-5685
Jihwan LimSchool of Chemical Engineering, Pusan National University, 2, Busandaehak-ro 63boen-gil, Geumjeong-gu, Busan 46241, Korea.
Hansol ParkSchool of Chemical Engineering, Pusan National University, 2, Busandaehak-ro 63boen-gil, Geumjeong-gu, Busan 46241, Korea.
Han Seong KimSchool of Chemical Engineering, Pusan National University, 2, Busandaehak-ro 63boen-gil, Geumjeong-gu, Busan 46241, Korea.ORCID 0000-0002-1846-903X

Funding

Ministry of Trade, Industry and Energy RS-2022-00155151
6 · The paper itself

Abstract

Polymer piezoelectric devices have been widely studied as sensors, energy harvesters, and generators with flexible and simple processes. Flexible piezoelectric devices are sensitive to external stimuli and are attracting attention because of their potential and usefulness as acoustic sensors. In this regard, the frequency sensing of sound must be studied to use flexible piezoelectric devices as sensors. In this study, a flexible piezoelectric device composed of a polymer and an electrode was successfully fabricated. Polyvinylidene fluoride, the active layer of the piezoelectric device, was prepared by electrospinning, and electrodes were formed by dip-coating in a prepared single-walled carbon nanotube dispersion. The output voltage of the external sound was matched with the input frequency through a fast Fourier transform, and frequency matching was successfully performed, even with mechanical stimulation. In a high-frequency test, the piezoelectric effect and frequency domain peak started to decrease sharply at 300 Hz, and the limit of the piezoelectric effect and sensing was observed from 800 Hz. The results of this study suggest a method for developing flexible piezoelectric-fiber frequency sensors based on piezoelectric devices for acoustic sensor systems.

Indexed as

electrospinningflexible electronicsfrequency sensingpiezoelectric

Identifiers

PMID36365765
PMCPMC9654230

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.