Mesoporous pores impregnated with Au nanoparticles as effective dielectrics for enhancing triboelectric nanogenerator performance in harsh environments

Jinsung Chun, Jin Woong Kim, Woo Suk Jung, Chong-Yun Kang, Sang Woo Kim, Zhong Lin Wang, Jeong Min Baik

Research output: Contribution to journalArticle

123 Citations (Scopus)

Abstract

A facile and scalable synthesis of mesoporous films impregnated with Au nanoparticles (NPs) as effective dielectrics is demonstrated for enhancing the nanogenerator performance based on vertical contact-separation mode. This technique is so simple and scalable, providing a promising solution for developing large-scale and practical self-powered devices. The spatial distribution of Au NPs made it possible to fabricate an Au NP-embedded mesoporous triboelectric nanogenerator (AMTENG) with a high output power of 13 mW under cycled compressive force, giving over 5-fold power enhancement, compared with a flat film-based TENG under the same mechanical force. It is proposed that the presence of aligned dipoles produced due to the charges created by the contact between Au NPs and PDMS inside the pores can influence the surface potential energy of mesoporous films. With such an enhanced power output and unique device design, we demonstrate various applications such as self-powered shape mapping sensors, foot-step driven large-scale AMTENGs, and integrated circuits with capacitors for powering commercial cell phones for realizing self-powered systems from footsteps, wind power, and ocean waves.

Original languageEnglish
Pages (from-to)3006-3012
Number of pages7
JournalEnergy and Environmental Science
Volume8
Issue number10
DOIs
Publication statusPublished - 2015 Oct 1

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Nanoparticles
Potential energy surfaces
wind power
ocean wave
Water waves
surface energy
potential energy
Wind power
Spatial distribution
Integrated circuits
Capacitors
spatial distribution
sensor
fold
nanoparticle
Sensors

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry
  • Pollution
  • Nuclear Energy and Engineering

Cite this

Mesoporous pores impregnated with Au nanoparticles as effective dielectrics for enhancing triboelectric nanogenerator performance in harsh environments. / Chun, Jinsung; Kim, Jin Woong; Jung, Woo Suk; Kang, Chong-Yun; Kim, Sang Woo; Wang, Zhong Lin; Baik, Jeong Min.

In: Energy and Environmental Science, Vol. 8, No. 10, 01.10.2015, p. 3006-3012.

Research output: Contribution to journalArticle

Chun, Jinsung ; Kim, Jin Woong ; Jung, Woo Suk ; Kang, Chong-Yun ; Kim, Sang Woo ; Wang, Zhong Lin ; Baik, Jeong Min. / Mesoporous pores impregnated with Au nanoparticles as effective dielectrics for enhancing triboelectric nanogenerator performance in harsh environments. In: Energy and Environmental Science. 2015 ; Vol. 8, No. 10. pp. 3006-3012.
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