Journal
MATERIALS RESEARCH BULLETIN
Volume 49, Issue -, Pages 35-38Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2013.08.019
Keywords
Multilayers; Laser deposition; Electron microscopy; Raman spectroscopy; Crystal structure
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Funding
- NSF
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In the present communication, we report on the synthesis of boron nitride nanosheets (BNNSs) and study of their gas sensing properties. BNNSs are synthesized by irradiating pyrolytic hexagonal boron nitride (h-BN) target using CO2 laser pulses. High resolution transmission electron microscopic measurements (HRTEM) revealed 2-dientional honeycomb crystal lattice structure of BNNSs. HRTEM, electron diffraction, XRD and Raman scattering measurements clearly identified h-BN. Gas sensing properties of synthesized BNNSs were analyzed with prototype gas sensor using methane as working gas. A systematic response curve of the sensor is recorded in each cycle of gas in and out; suggesting excellent sensitivity and high performance of BNNSs-based gas-sensor. (C) 2013 Elsevier Ltd. All rights reserved.
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