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Open AccessReview

Chemical Sensing Applications of ZnO Nanomaterials

Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
Department of Chemistry, College of Science and Arts, Najran University, Najran 11001, Saudi Arabia
Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia
Department of Materials Science, University of Patras, Patras GR 26504, Greece
Authors to whom correspondence should be addressed.
Materials 2018, 11(2), 287;
Received: 18 November 2017 / Revised: 30 January 2018 / Accepted: 6 February 2018 / Published: 12 February 2018
(This article belongs to the Special Issue Zinc Oxide Nanostructures: Synthesis and Characterization)
Recent advancement in nanoscience and nanotechnology has witnessed numerous triumphs of zinc oxide (ZnO) nanomaterials due to their various exotic and multifunctional properties and wide applications. As a remarkable and functional material, ZnO has attracted extensive scientific and technological attention, as it combines different properties such as high specific surface area, biocompatibility, electrochemical activities, chemical and photochemical stability, high-electron communicating features, non-toxicity, ease of syntheses, and so on. Because of its various interesting properties, ZnO nanomaterials have been used for various applications ranging from electronics to optoelectronics, sensing to biomedical and environmental applications. Further, due to the high electrochemical activities and electron communication features, ZnO nanomaterials are considered as excellent candidates for electrochemical sensors. The present review meticulously introduces the current advancements of ZnO nanomaterial-based chemical sensors. Various operational factors such as the effect of size, morphologies, compositions and their respective working mechanisms along with the selectivity, sensitivity, detection limit, stability, etc., are discussed in this article. View Full-Text
Keywords: zinc oxide; synthesis; chemical sensing; sensitivity; selectivity; morphology zinc oxide; synthesis; chemical sensing; sensitivity; selectivity; morphology
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Chaudhary, S.; Umar, A.; Bhasin, K.K.; Baskoutas, S. Chemical Sensing Applications of ZnO Nanomaterials. Materials 2018, 11, 287.

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