High-performance triboelectric nanogenerators with artificially well-tailored interlocked interfaces

Hak Jong Choi, Jeong Hwan Lee, Junho Jun, Tae Yun Kim, Sang Woo Kim, Heon Lee

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We report a facile and cost-effective route for fabricating highly efficient triboelectric energy harvesters via formation of artificially well-tailored interlocked interface with a nanostructured Ni electrode and polydimethylsiloxane (PDMS). The interlocked interface formed between the nano-pillar Ni electrode and nano-pillar PDMS composite thin film effectively enhanced the triboelectricity of a triboelectric nanogenerator (TENG) by increasing the surface contact area and contact time, related to the frictional forces. The output power of four different kinds of TENGs was evaluated to confirm the effect of the surface morphology, especially the interlocked interface. A dramatic enhancement of the output voltage (~100 V) was observed with a current of up to ~23 μA. The effectiveness of the interlocked TENG (i-TENG) was also demonstrated by the greater efficiency for charging a capacitor compared with the flat-to-flat contact TENG (flat TENG).

Original languageEnglish
Pages (from-to)595-601
Number of pages7
JournalNano Energy
Volume27
DOIs
Publication statusPublished - 2016 Sep 1

Fingerprint

Polydimethylsiloxane
Triboelectricity
Electrodes
Harvesters
Composite films
Surface morphology
Capacitors
Thin films
Electric potential
Costs
baysilon

Keywords

  • High performance
  • Interlocked interface
  • Nanogenerator
  • Nanoimprinting
  • Nanostructure
  • Triboelectrification

ASJC Scopus subject areas

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

Cite this

High-performance triboelectric nanogenerators with artificially well-tailored interlocked interfaces. / Choi, Hak Jong; Lee, Jeong Hwan; Jun, Junho; Kim, Tae Yun; Kim, Sang Woo; Lee, Heon.

In: Nano Energy, Vol. 27, 01.09.2016, p. 595-601.

Research output: Contribution to journalArticle

Choi, Hak Jong ; Lee, Jeong Hwan ; Jun, Junho ; Kim, Tae Yun ; Kim, Sang Woo ; Lee, Heon. / High-performance triboelectric nanogenerators with artificially well-tailored interlocked interfaces. In: Nano Energy. 2016 ; Vol. 27. pp. 595-601.
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