Insights into the Morphotropic Phase Boundary in Ferroelectric Polymers from the Molecular Perspective

Yang Liu; Bing Zhang; Aziguli Haibibu; Wenhan Xu; Zhubing Han; Wenchang Lu; J. Bernholc; Qing Wang

doi:10.1021/acs.jpcc.9b01220

Insights into the Morphotropic Phase Boundary in Ferroelectric Polymers from the Molecular Perspective

Yang Liu, Bing Zhang, Aziguli Haibibu, Wenhan Xu, Zhubing Han, Wenchang Lu, J. Bernholc, Qing Wang

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Significantly enhanced electromechanical responses are inherent to piezoelectric materials at the morphotropic phase boundary (MPB). Here we reveal that conformational competition between the trans-planar and 3/1-helical phases of poly(vinylidene fluoride-trifluoroethylene) P(VDF-TrFE) occurs intramolecularly rather than intermolecularly to induce the formation of MPB. We attribute significantly enhanced piezoelectric properties observed near MPB to the polarization rotation between energetically degenerate trans-planar and 3/1-helical phases. Our results offer design principles to search for new MPB polymers from a molecular perspective.

Original language	English (US)
Pages (from-to)	8727-8730
Number of pages	4
Journal	Journal of Physical Chemistry C
Volume	123
Issue number	14
DOIs	https://doi.org/10.1021/acs.jpcc.9b01220
State	Published - Apr 11 2019

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

Access to Document

10.1021/acs.jpcc.9b01220

Cite this

@article{a1c154d4d26944279192614090afea04,

title = "Insights into the Morphotropic Phase Boundary in Ferroelectric Polymers from the Molecular Perspective",

abstract = "Significantly enhanced electromechanical responses are inherent to piezoelectric materials at the morphotropic phase boundary (MPB). Here we reveal that conformational competition between the trans-planar and 3/1-helical phases of poly(vinylidene fluoride-trifluoroethylene) P(VDF-TrFE) occurs intramolecularly rather than intermolecularly to induce the formation of MPB. We attribute significantly enhanced piezoelectric properties observed near MPB to the polarization rotation between energetically degenerate trans-planar and 3/1-helical phases. Our results offer design principles to search for new MPB polymers from a molecular perspective.",

author = "Yang Liu and Bing Zhang and Aziguli Haibibu and Wenhan Xu and Zhubing Han and Wenchang Lu and J. Bernholc and Qing Wang",

note = "Funding Information: We acknowledge the support of ONR (N000141612082 and N000141612459). Publisher Copyright: {\textcopyright} 2019 American Chemical Society.",

year = "2019",

month = apr,

day = "11",

doi = "10.1021/acs.jpcc.9b01220",

language = "English (US)",

volume = "123",

pages = "8727--8730",

journal = "Journal of Physical Chemistry C",

issn = "1932-7447",

publisher = "American Chemical Society",

number = "14",

}

TY - JOUR

T1 - Insights into the Morphotropic Phase Boundary in Ferroelectric Polymers from the Molecular Perspective

AU - Liu, Yang

AU - Zhang, Bing

AU - Haibibu, Aziguli

AU - Xu, Wenhan

AU - Han, Zhubing

AU - Lu, Wenchang

AU - Bernholc, J.

AU - Wang, Qing

PY - 2019/4/11

Y1 - 2019/4/11

N2 - Significantly enhanced electromechanical responses are inherent to piezoelectric materials at the morphotropic phase boundary (MPB). Here we reveal that conformational competition between the trans-planar and 3/1-helical phases of poly(vinylidene fluoride-trifluoroethylene) P(VDF-TrFE) occurs intramolecularly rather than intermolecularly to induce the formation of MPB. We attribute significantly enhanced piezoelectric properties observed near MPB to the polarization rotation between energetically degenerate trans-planar and 3/1-helical phases. Our results offer design principles to search for new MPB polymers from a molecular perspective.

AB - Significantly enhanced electromechanical responses are inherent to piezoelectric materials at the morphotropic phase boundary (MPB). Here we reveal that conformational competition between the trans-planar and 3/1-helical phases of poly(vinylidene fluoride-trifluoroethylene) P(VDF-TrFE) occurs intramolecularly rather than intermolecularly to induce the formation of MPB. We attribute significantly enhanced piezoelectric properties observed near MPB to the polarization rotation between energetically degenerate trans-planar and 3/1-helical phases. Our results offer design principles to search for new MPB polymers from a molecular perspective.

UR - http://www.scopus.com/inward/record.url?scp=85063531718&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85063531718&partnerID=8YFLogxK

U2 - 10.1021/acs.jpcc.9b01220

DO - 10.1021/acs.jpcc.9b01220

M3 - Article

AN - SCOPUS:85063531718

SN - 1932-7447

VL - 123

SP - 8727

EP - 8730

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 14

ER -

Insights into the Morphotropic Phase Boundary in Ferroelectric Polymers from the Molecular Perspective

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this