A high performance PZT ribbon-based nanogenerator using graphene transparent electrodes

Junggou Kwon, Wanchul Seung, Bhupendra K. Sharma, Sang Woo Kim, Jong Hyun Ahn

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

We report a simple and effective approach for high performance PbZr 0.52Ti0.48O3 (PZT) based flexible and semi-transparent NGs that exploit the electrical, mechanical and transparent properties of graphene. PZT NGs are successfully demonstrated for continuous driving of a liquid crystal display screen and a light emitting diode. A good quality PZT film was deposited on Pt/Ti/SiO2/Si wafer by the sol-gel method, exhibiting a typical hysteresis loop in the low voltage region. A graphene film was used in the interdigitated electrode form to improve the PZT/graphene interface under mechanical stress. Further improvement in NGs performance was realized by p-type doping in graphene, resulting in an increase in current density. NGs showed a high output voltage ∼2 V, current density ∼2.2 μA cm-2 and power density ∼88 mW cm-3 at an applying force of 0.9 kgf. This can efficiently run commercially available electronic components in a self-powered mode, without any external electrical supply.

Original languageEnglish
Pages (from-to)8970-8975
Number of pages6
JournalEnergy and Environmental Science
Volume5
Issue number10
DOIs
Publication statusPublished - 2012 Oct 1

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Graphite
Graphene
electrode
Electrodes
hysteresis
density current
Current density
gel
crystal
liquid
Electric potential
Hysteresis loops
Liquid crystal displays
Sol-gel process
Light emitting diodes
Doping (additives)
method
electronics

All Science Journal Classification (ASJC) codes

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

Cite this

Kwon, Junggou ; Seung, Wanchul ; Sharma, Bhupendra K. ; Kim, Sang Woo ; Ahn, Jong Hyun. / A high performance PZT ribbon-based nanogenerator using graphene transparent electrodes. In: Energy and Environmental Science. 2012 ; Vol. 5, No. 10. pp. 8970-8975.
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A high performance PZT ribbon-based nanogenerator using graphene transparent electrodes. / Kwon, Junggou; Seung, Wanchul; Sharma, Bhupendra K.; Kim, Sang Woo; Ahn, Jong Hyun.

In: Energy and Environmental Science, Vol. 5, No. 10, 01.10.2012, p. 8970-8975.

Research output: Contribution to journalArticle

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