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Growth, Characterization and Comparisons of Few-layer Boron Nitride Nanosheets and Graphene

Published online by Cambridge University Press:  01 February 2011

Hongxin Zhang ,
Muhammad Sajjad  and
Peter Feng
Hongxin Zhang
Affiliation:
zhanghongxin727@yahoo.com, University of Puerto Rico, Rio Piedras Campus, Physics Department, San Juan, Portugal
Muhammad Sajjad
Affiliation:
sajjadmphil@yahoo.com, University of Puerto Rico, Rio Piedras Campus, Physics Department, San Juan, Portugal
Peter Feng
Affiliation:
peterxianping@vmail.uprrp.edu, University of Puerto Rico, Rio Piedras Campus, Physics Department, San Juan, Puerto Rico
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Abstract

Few-layer hexagonal boron nitride (h-BN) nanosheets were produced by using super-short-pulse laser produced plasma deposition techniques. Scanning electron microscopy, Energy dispersive x-ray spectroscopy, and micro-Raman spectroscopy were used to explore the morphologies, elemental concentrations and bond structures of the few-layer h-BN nanosheets. High-quality transparent few-layer h-BN nanosheet with the width up to more than 6 μm, and length more than 20 μm were successfully obtained. The change in contrast suggests that the number of atomic layers varies over the area. A comparative study between the obtained few-layer h-BN nanosheets and the previously synthesized few-layer graphene were also conducted in order to further investigate the properties of the promising 2-Dimention (2D) nanomaterials. Our results suggest that the development h-BN nanosheets has the potential to revolutionize the understanding of 2-D nanomaterials with delocalized electronsheralding a transformative technology with dramatic future implications.

Keywords

laser ablationscanning electron microscopy (SEM)Raman spectroscopy
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1259: Symposium S – Graphene Materials and Devices , 2010 , 1259-S14-10
Copyright
Copyright © Materials Research Society 2010

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