Surface dipole enhanced instantaneous charge pair generation in triboelectric nanogenerator

Kyeong Nam Kim, Yun Kyung Jung, Jinsung Chun, Byeong Uk Ye, Minsu Gu, Eunyong Seo, Seongsu Kim, Sang Woo Kim, Byeong-Su Kim, Jeong Min Baik

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Developing a successful strategy to maximize the surface charge density is crucial to speed-up the commercialization success of triboelectric nanogenerator. Here, for the first time, the fabrication of positive triboelectric material to donate electrons efficiently to dielectrics is reported, by increasing the stretchability for the uniform contact and by introducing a functional group for the surface potential control. A highly stretchable and conductive film with Ag nanowires and PDMS was fabricated as a base material, in which the portion of nanowires exposed above the embedding surface should be accurately controlled. In specific, positively charged 4-(dimethylamino)pyridine (DMAP) coated Au nanoparticles, prepared by phase transfer method, are coated. The DMAP lowers the effective work function of the nanoparticles by a permanent dipole induced at the DMAP-Au interface and enhances the electron transfer to the dielectrics, confirmed by the Kelvin probe force microscope measurement. The designed nanogenerator gives an output performance up to 80 V and 86 μA, and 2.5 mW in output power, 2.5 times enhancement compared with the conventional TENG. With the integration with AC to DC converting circuit and buck-boost circuit, the nanogenerator produces a constant voltage of 2.6 V. The wireless sensing system, which operates the remote controller, were also demonstrated, turning on a siren.

Original languageEnglish
Pages (from-to)360-370
Number of pages11
JournalNano Energy
Volume26
DOIs
Publication statusPublished - 2016 Aug 1

Fingerprint

Pyridine
Nanowires
Sirens
Nanoparticles
Conductive films
Electrons
Networks (circuits)
Surface potential
Surface charge
Charge density
Functional groups
Microscopes
Fabrication
Controllers
Electric potential
pyridine

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, K. N., Jung, Y. K., Chun, J., Ye, B. U., Gu, M., Seo, E., ... Baik, J. M. (2016). Surface dipole enhanced instantaneous charge pair generation in triboelectric nanogenerator. Nano Energy, 26, 360-370. https://doi.org/10.1016/j.nanoen.2016.05.048
Kim, Kyeong Nam ; Jung, Yun Kyung ; Chun, Jinsung ; Ye, Byeong Uk ; Gu, Minsu ; Seo, Eunyong ; Kim, Seongsu ; Kim, Sang Woo ; Kim, Byeong-Su ; Baik, Jeong Min. / Surface dipole enhanced instantaneous charge pair generation in triboelectric nanogenerator. In: Nano Energy. 2016 ; Vol. 26. pp. 360-370.
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Kim, KN, Jung, YK, Chun, J, Ye, BU, Gu, M, Seo, E, Kim, S, Kim, SW, Kim, B-S & Baik, JM 2016, 'Surface dipole enhanced instantaneous charge pair generation in triboelectric nanogenerator', Nano Energy, vol. 26, pp. 360-370. https://doi.org/10.1016/j.nanoen.2016.05.048

Surface dipole enhanced instantaneous charge pair generation in triboelectric nanogenerator. / Kim, Kyeong Nam; Jung, Yun Kyung; Chun, Jinsung; Ye, Byeong Uk; Gu, Minsu; Seo, Eunyong; Kim, Seongsu; Kim, Sang Woo; Kim, Byeong-Su; Baik, Jeong Min.

In: Nano Energy, Vol. 26, 01.08.2016, p. 360-370.

Research output: Contribution to journalArticle

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