Comparison of piezoelectric energy harvesting performance using silicon and graphene cantilever beam

Li Theng Lee, Mohd Ambri Mohamed, Iskandar Yahya, Jothiramalingam Kulothungan, Manoharan Muruganathan, Hiroshi Mizuta

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A bulky battery is often an obstacle in microelectromechanical systems design. Not only does it occupy large space, but also contributes to environmental pollution. Thus, piezoelectric energy harvester presents as an eco-friendly alternative power source. A piezoelectric energy harvester with graphene as base layer with different thickness is modeled using finite element simulations. Frequency response analysis is performed for a better understanding of its performance. From the result, higher thickness gives better Q-factor and figure of merit (FOM). A 200 nm of ZnO layer and graphene layer gives a Q-factor and FOM of 3.4 times higher than silicon and also a larger bandwidth by a factor of 1.1. In general, it is shown that the replacement of silicon with graphene had reduced energy loss by improving the efficiency of mechanical energy transfer in piezoelectric energy harvester.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalMicrosystem Technologies
DOIs
Publication statusAccepted/In press - 19 Mar 2018

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Harvesters
Graphite
Energy harvesting
cantilever beams
Cantilever beams
Silicon
Graphene
graphene
figure of merit
Q factors
silicon
pollution
systems engineering
Energy transfer
frequency response
microelectromechanical systems
Frequency response
MEMS
electric batteries
energy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

Comparison of piezoelectric energy harvesting performance using silicon and graphene cantilever beam. / Lee, Li Theng; Mohamed, Mohd Ambri; Yahya, Iskandar; Kulothungan, Jothiramalingam; Muruganathan, Manoharan; Mizuta, Hiroshi.

In: Microsystem Technologies, 19.03.2018, p. 1-7.

Research output: Contribution to journalArticle

Lee, Li Theng ; Mohamed, Mohd Ambri ; Yahya, Iskandar ; Kulothungan, Jothiramalingam ; Muruganathan, Manoharan ; Mizuta, Hiroshi. / Comparison of piezoelectric energy harvesting performance using silicon and graphene cantilever beam. In: Microsystem Technologies. 2018 ; pp. 1-7.
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