Gas Sensing and Field Emission Properties of SnO2 & ZnO Nanomaterials的封面
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Gas Sensing and Field Emission Properties of SnO2 & ZnO Nanomaterials

Synthesis and Characterization of SnO2 and ZnO Nanostructured Materials for Gas Sensing and Field Emission Applications

LAP LAMBERT Academic Publishing (2012-02-09 )

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ISBN-13:

978-3-8484-0068-3

ISBN-10:
3848400685
EAN:
9783848400683
书籍语言:
英文
作品简介:
Technological and scientific potentials of high aspect ratio structures of semiconducting oxides are immense and the future of these materials is certainly bright. A thorough understanding of the growth mechanism is a key towards achieving a controlled growth which is of particular significance both for the creation of novel materials as well as for the ultimate device fabrication. In the present work, SnO2 and ZnO based sub-micron structures have been investigated in detail to realize the possible application in gas sensing and field emission devices. The results of the present studies clearly illustrate that the SnO2 matrix can be effectively tailored by doping with elements like Ru, Cu and Th for the selective detection of LPG, H2S and trimethylamine gases, respectively. Interestingly, an ultra-low onset voltage of meager 40 V is obtained for isolated single multipod and one of its arm. The sharp tips of ZnO structures resulted in the onset current density of 2.76 x 107 microA/cm2, which is much greater than the minimum emission current density (1mA/cm2) required to produce the luminance of 300 cd/m2 from VGA-FED.
出版社 :
LAP LAMBERT Academic Publishing
网址:
https://www.lap-publishing.com/
由(作者):
Niranjan Ramgir
页码 :
248
发表日期:
2012-02-09
现货:
备有现货
类别:
物理 ,天文学
价格:
79.00 €
关键词:
Doping, zinc oxide, Field emission, nanowires, Thin Films, Nanomaterials, surface modification, gas sensing, Tin oxide, Fowler-Nordhiem

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