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Zinc Oxide Nanostructures for NO2 Gas–Sensor Applications:A Review

Kumar, Rajesh ; Al-Dossary, O. ; Kumar, Girish ; Umar, Ahmad

Nano-micro letters, 2015-04, Vol.7 (2), p.97-120 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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  • Título:
    Zinc Oxide Nanostructures for NO2 Gas–Sensor Applications:A Review
  • Autor: Kumar, Rajesh ; Al-Dossary, O. ; Kumar, Girish ; Umar, Ahmad
  • Assuntos: Engineering ; Nanoscale Science and Technology ; Nanotechnology ; Nanotechnology and Microengineering ; Review
  • É parte de: Nano-micro letters, 2015-04, Vol.7 (2), p.97-120
  • Notas: 31-2103/TB
    Rajesh Kumar;O.Al-Dossary;Girish Kumar;Ahmad Umar;PG Department of Chemistry, JCDAV College;Department of Physics, King Saud University;Department of Chemistry, Faculty of Arts and Sciences, Najran University;Promising Centre for Sensors and Electronic Devices (PCSED),Najran University
    ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
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    ObjectType-Review-1
  • Descrição: Because of the interesting and multifunctional properties,recently,ZnO nanostructures are considered as excellent material for fabrication of highly sensitive and selective gas sensors.Thus,ZnO nanomaterials are widely used to fabricate efficient gas sensors for the detection of various hazardous and toxic gases.The presented review article is focusing on the recent developments of NO2gas sensors based on ZnO nanomaterials.The review presents the general introduction of some metal oxide nanomaterials for gas sensing application and finally focusing on the structure of ZnO and its gas sensing mechanisms.Basic gas sensing characteristics such as gas response,response time,recovery time,selectivity,detection limit,stability and recyclability,etc are also discussed in this article.Further,the utilization of various ZnO nanomaterials such as nanorods,nanowires,nano-micro flowers,quantum dots,thin films and nanosheets,etc for the fabrication of NO2gas sensors are also presented.Moreover,various factors such as NO2concentrations,annealing temperature,ZnO morphologies and particle sizes,relative humidity,operating temperatures which are affecting the NO2gas sensing properties are discussed in this review.Finally,the review article is concluded and future directions are presented.
  • Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
  • Idioma: Inglês
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