Selective deposition of graphene sheets on a flexible substrate by a nonuniform electric field

Sooyeoun Oh; Hyunik Park; Younghun Jung; Jihyun Kim; Jiwan Kim; Min Suk Oh

doi:10.1116/1.4862536

Selective deposition of graphene sheets on a flexible substrate by a nonuniform electric field

Sooyeoun Oh, Hyunik Park, Younghun Jung, Jihyun Kim, Jiwan Kim, Min Suk Oh

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This study reports on the precise positioning of high-quality graphene sheets on a flexible polyethylene naphthalate substrate using a dielectrophoretic (DEP) force. Positive DEP assembly is carried out using a 100kHz frequency AC signal with a peak-to-peak voltage of 10V. The presence and quality of the graphene flakes aligned around the prepatterned electrodes are characterized by scanning electron microscopy, optical microscopy, and micro-Raman spectroscopy. Current-voltage measurements were also used to evaluate the electrical properties of these flexible devices under varying compressive (-) and tensile (+) strain conditions up to ±0.6%, where the currents decreased with increasing strains.

Original language	English
Article number	020602
Journal	Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics
Volume	32
Issue number	2
DOIs	https://doi.org/10.1116/1.4862536
Publication status	Published - 2014

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Process Chemistry and Technology
Surfaces, Coatings and Films
Electrical and Electronic Engineering
Materials Chemistry

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10.1116/1.4862536

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AU - Kim, Jiwan

AU - Suk Oh, Min

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Selective deposition of graphene sheets on a flexible substrate by a nonuniform electric field

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