Force-assembled triboelectric nanogenerator with high-humidity-resistant electricity generation using hierarchical surface morphology

Dongjin Jang, Younghoon Kim, Tae Yun Kim, Kunsuk Koh, Unyong Jeong, Jinhan Cho

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

We introduce a novel, robust, cost-effective, and scalable approach for the preparation of a large-area force-assembled triboelectric nanogenerator (FTENG), which allows a stable and high electric output under a wide range of humidity conditions through its dual-sized morphology (i.e., microstructures and nanostructures). In this study, hexagonally packed colloidal arrays prepared by a force assembly approach rather than by conventional self-assembly were used as a mold for a triboelectric poly(dimethylsiloxane) (PDMS) replica with desired pattern shapes (intaglio and embossed structures) and sizes. The morphological size of the PDMS films was determined by the diameter of the force-assembled colloids. The electrical output performance of FTENGs composed of electrodes and a PDMS film increased substantially as the size of the micropores (for intaglio-structured PDMS) or embossed features (for embossed-structured PDMS) decreased. Furthermore, the triboelectric PDMS film with micro-/nanosized features (i.e., dual-embossed PDMS) displayed a remarkable electrical output of 207. V (open-circuit voltage under a compressive force of 90 N in relative humidity (RH) of 20%) and high hydrophobicity compared to that of PDMS films with flat, intaglio or embossed structures. This device maintained a high electric output even in a high-humidity environment (i.e., open-circuit output voltage ~175. V in RH 80%). Our approach using force-assembly and hierarchical surface morphology will provide a novel and effective framework for developing strong power sources in various self-powered electronics.

Original languageEnglish
Pages (from-to)283-293
Number of pages11
JournalNano Energy
Volume20
DOIs
Publication statusPublished - 2016 Feb 1

Fingerprint

Polydimethylsiloxane
Surface morphology
Atmospheric humidity
Electricity
baysilon
Colloids
Open circuit voltage
Hydrophobicity
Self assembly
Nanostructures
Electronic equipment
Microstructure
Electrodes
Networks (circuits)
Electric potential
Costs

Keywords

  • Colloids
  • Dual-sized structures
  • Force-assembly
  • Humidity
  • Triboelectric nanogenerator

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrical and Electronic Engineering

Cite this

Force-assembled triboelectric nanogenerator with high-humidity-resistant electricity generation using hierarchical surface morphology. / Jang, Dongjin; Kim, Younghoon; Kim, Tae Yun; Koh, Kunsuk; Jeong, Unyong; Cho, Jinhan.

In: Nano Energy, Vol. 20, 01.02.2016, p. 283-293.

Research output: Contribution to journalArticle

Jang, Dongjin ; Kim, Younghoon ; Kim, Tae Yun ; Koh, Kunsuk ; Jeong, Unyong ; Cho, Jinhan. / Force-assembled triboelectric nanogenerator with high-humidity-resistant electricity generation using hierarchical surface morphology. In: Nano Energy. 2016 ; Vol. 20. pp. 283-293.
@article{85a1146ae9844271a3f1a35e6501c55e,
title = "Force-assembled triboelectric nanogenerator with high-humidity-resistant electricity generation using hierarchical surface morphology",
abstract = "We introduce a novel, robust, cost-effective, and scalable approach for the preparation of a large-area force-assembled triboelectric nanogenerator (FTENG), which allows a stable and high electric output under a wide range of humidity conditions through its dual-sized morphology (i.e., microstructures and nanostructures). In this study, hexagonally packed colloidal arrays prepared by a force assembly approach rather than by conventional self-assembly were used as a mold for a triboelectric poly(dimethylsiloxane) (PDMS) replica with desired pattern shapes (intaglio and embossed structures) and sizes. The morphological size of the PDMS films was determined by the diameter of the force-assembled colloids. The electrical output performance of FTENGs composed of electrodes and a PDMS film increased substantially as the size of the micropores (for intaglio-structured PDMS) or embossed features (for embossed-structured PDMS) decreased. Furthermore, the triboelectric PDMS film with micro-/nanosized features (i.e., dual-embossed PDMS) displayed a remarkable electrical output of 207. V (open-circuit voltage under a compressive force of 90 N in relative humidity (RH) of 20{\%}) and high hydrophobicity compared to that of PDMS films with flat, intaglio or embossed structures. This device maintained a high electric output even in a high-humidity environment (i.e., open-circuit output voltage ~175. V in RH 80{\%}). Our approach using force-assembly and hierarchical surface morphology will provide a novel and effective framework for developing strong power sources in various self-powered electronics.",
keywords = "Colloids, Dual-sized structures, Force-assembly, Humidity, Triboelectric nanogenerator",
author = "Dongjin Jang and Younghoon Kim and Kim, {Tae Yun} and Kunsuk Koh and Unyong Jeong and Jinhan Cho",
year = "2016",
month = "2",
day = "1",
doi = "10.1016/j.nanoen.2015.12.021",
language = "English",
volume = "20",
pages = "283--293",
journal = "Nano Energy",
issn = "2211-2855",
publisher = "Elsevier BV",

}

TY - JOUR

T1 - Force-assembled triboelectric nanogenerator with high-humidity-resistant electricity generation using hierarchical surface morphology

AU - Jang, Dongjin

AU - Kim, Younghoon

AU - Kim, Tae Yun

AU - Koh, Kunsuk

AU - Jeong, Unyong

AU - Cho, Jinhan

PY - 2016/2/1

Y1 - 2016/2/1

N2 - We introduce a novel, robust, cost-effective, and scalable approach for the preparation of a large-area force-assembled triboelectric nanogenerator (FTENG), which allows a stable and high electric output under a wide range of humidity conditions through its dual-sized morphology (i.e., microstructures and nanostructures). In this study, hexagonally packed colloidal arrays prepared by a force assembly approach rather than by conventional self-assembly were used as a mold for a triboelectric poly(dimethylsiloxane) (PDMS) replica with desired pattern shapes (intaglio and embossed structures) and sizes. The morphological size of the PDMS films was determined by the diameter of the force-assembled colloids. The electrical output performance of FTENGs composed of electrodes and a PDMS film increased substantially as the size of the micropores (for intaglio-structured PDMS) or embossed features (for embossed-structured PDMS) decreased. Furthermore, the triboelectric PDMS film with micro-/nanosized features (i.e., dual-embossed PDMS) displayed a remarkable electrical output of 207. V (open-circuit voltage under a compressive force of 90 N in relative humidity (RH) of 20%) and high hydrophobicity compared to that of PDMS films with flat, intaglio or embossed structures. This device maintained a high electric output even in a high-humidity environment (i.e., open-circuit output voltage ~175. V in RH 80%). Our approach using force-assembly and hierarchical surface morphology will provide a novel and effective framework for developing strong power sources in various self-powered electronics.

AB - We introduce a novel, robust, cost-effective, and scalable approach for the preparation of a large-area force-assembled triboelectric nanogenerator (FTENG), which allows a stable and high electric output under a wide range of humidity conditions through its dual-sized morphology (i.e., microstructures and nanostructures). In this study, hexagonally packed colloidal arrays prepared by a force assembly approach rather than by conventional self-assembly were used as a mold for a triboelectric poly(dimethylsiloxane) (PDMS) replica with desired pattern shapes (intaglio and embossed structures) and sizes. The morphological size of the PDMS films was determined by the diameter of the force-assembled colloids. The electrical output performance of FTENGs composed of electrodes and a PDMS film increased substantially as the size of the micropores (for intaglio-structured PDMS) or embossed features (for embossed-structured PDMS) decreased. Furthermore, the triboelectric PDMS film with micro-/nanosized features (i.e., dual-embossed PDMS) displayed a remarkable electrical output of 207. V (open-circuit voltage under a compressive force of 90 N in relative humidity (RH) of 20%) and high hydrophobicity compared to that of PDMS films with flat, intaglio or embossed structures. This device maintained a high electric output even in a high-humidity environment (i.e., open-circuit output voltage ~175. V in RH 80%). Our approach using force-assembly and hierarchical surface morphology will provide a novel and effective framework for developing strong power sources in various self-powered electronics.

KW - Colloids

KW - Dual-sized structures

KW - Force-assembly

KW - Humidity

KW - Triboelectric nanogenerator

UR - http://www.scopus.com/inward/record.url?scp=84954289974&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84954289974&partnerID=8YFLogxK

U2 - 10.1016/j.nanoen.2015.12.021

DO - 10.1016/j.nanoen.2015.12.021

M3 - Article

AN - SCOPUS:84954289974

VL - 20

SP - 283

EP - 293

JO - Nano Energy

JF - Nano Energy

SN - 2211-2855

ER -