NDLI: Bandgap engineering of single layer graphene by randomly distributed nanoparticles

Content Provider	Springer Nature Link
Author	Al Amin, Chowdhury Vabbina, Phani Kiran Karabiyik, Mustafa Sinha, Raju Wang, Chunlei Pala, Nezih
Copyright Year	2016
Abstract	In this paper, we have proposed and experimentally demonstrated engineering the bandgap of semi-metal zero bandgap single layer chemical vapor deposited graphene by decorating with randomly distributed nanoparticles. Decoration with two types of nanoparticles was investigated: zinc oxide nano-seed grown by sonication of zinc acetate dihydrate, and gold nanoparticles grown by thermal annealing of sputtered gold thin film. The proximity of nanoparticles and graphene break graphene’s sublattice symmetry and opens-up a bandgap. The grown nanoparticles were characterized by scanning electron microscopy and atomic force microscopy. The single layer graphene before and after decoration was characterized with Raman spectroscopy. The bandgap was engineered by simply adjusting the nanoparticle size and density, and the introduced bandgap was measured from the slope of temperature dependent conductivity characteristics. Graphene with significant bandgap introduced by the proposed methods could be used for devices intended for high speed digital and logic applications.
Starting Page	7454
Ending Page	7459
Page Count	6
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	27
Issue Number	7
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2016-03-23
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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