Detailed Information

Cited 18 time in webofscience Cited 19 time in scopus
Metadata Downloads

Vertically aligned P(VDF-TrFE) core-shell structures on flexible pillar arraysopen access

Authors
Choi, Yoon-YoungYun, Tae GwangQaiser, NadeemPaik, HaeminRoh, Hee SeokHong, JonginHong, SeungbumHan, Seung MinNo, Kwangsoo
Issue Date
Jun-2015
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v.5
Journal Title
SCIENTIFIC REPORTS
Volume
5
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9449
DOI
10.1038/srep10728
ISSN
2045-2322
Abstract
PVDF and P(VDF-TrFE) nano-and micro-structures have been widely used due to their potential applications in several fields, including sensors, actuators, vital sign transducers, and energy harvesters. In this study, we developed vertically aligned P(VDF-TrFE) core-shell structures using high modulus polyurethane acrylate (PUA) pillars as the support structure to maintain the structural integrity. In addition, we were able to improve the piezoelectric effect by 1.85 times from 40 +/- 2 to 74 +/- 2 pm/V when compared to the thin film counterpart, which contributes to the more efficient current generation under a given stress, by making an effective use of the P(VDF-TrFE) thin top layer as well as the side walls. We attribute the enhancement of piezoelectric effects to the contributions from the shell component and the strain confinement effect, which was supported by our modeling results. We envision that these organic-based P(VDF-TrFE) core-shell structures will be used widely as 3D sensors and power generators because they are optimized for current generations by utilizing all surface areas, including the side walls of core-shell structures.
Files in This Item
Appears in
Collections
Graduate School > ETC > 1. Journal Articles

qrcode

Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher Hong, Jongin photo

Hong, Jongin
대학원 (스마트시티학과)
Read more

Altmetrics

Total Views & Downloads

BROWSE