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ZnO Nanowire Application in Chemoresistive Sensing: A Review

Department of Chemistry, NIS Interdepartmental Centre and INSTM Reference Centre, University of Turin, Via Pietro Giuria 7, 10125 Turin, Italy
Author to whom correspondence should be addressed.
Nanomaterials 2017, 7(11), 381;
Received: 30 September 2017 / Revised: 31 October 2017 / Accepted: 6 November 2017 / Published: 9 November 2017
(This article belongs to the Special Issue ZnO and TiO2 Based Nanostructures)
This article provides an overview of the recent development of ZnO nanowires (NWs) for chemoresistive sensing. Working mechanisms of chemoresistive sensors are unified for gas, ultraviolet (UV) and bio sensor types: single nanowire and nanowire junction sensors are described, giving the overview for a simple sensor manufacture by multiple nanowire junctions. ZnO NW surface functionalization is discussed, and how this effects the sensing is explained. Further, novel approaches for sensing, using ZnO NW functionalization with other materials such as metal nanoparticles or heterojunctions, are explained, and limiting factors and possible improvements are discussed. The review concludes with the insights and recommendations for the future improvement of the ZnO NW chemoresistive sensing. View Full-Text
Keywords: ZnO; nanowire; sensors; chemoresistive; biosensing ZnO; nanowire; sensors; chemoresistive; biosensing
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MDPI and ACS Style

Rackauskas, S.; Barbero, N.; Barolo, C.; Viscardi, G. ZnO Nanowire Application in Chemoresistive Sensing: A Review. Nanomaterials 2017, 7, 381.

AMA Style

Rackauskas S, Barbero N, Barolo C, Viscardi G. ZnO Nanowire Application in Chemoresistive Sensing: A Review. Nanomaterials. 2017; 7(11):381.

Chicago/Turabian Style

Rackauskas, Simas, Nadia Barbero, Claudia Barolo, and Guido Viscardi. 2017. "ZnO Nanowire Application in Chemoresistive Sensing: A Review" Nanomaterials 7, no. 11: 381.

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