ZnO Nanowire Application in Chemoresistive Sensing: A Review

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...

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Main Authors: Simas Rackauskas, Nadia Barbero, Claudia Barolo, Guido Viscardi
Format: Article
Language:English
Published: MDPI AG 2017-11-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/7/11/381
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author Simas Rackauskas
Nadia Barbero
Claudia Barolo
Guido Viscardi
author_facet Simas Rackauskas
Nadia Barbero
Claudia Barolo
Guido Viscardi
author_sort Simas Rackauskas
collection DOAJ
description 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.
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spelling doaj.art-5af1859a8deb409eace9e6b455bc6cd42022-12-22T02:40:13ZengMDPI AGNanomaterials2079-49912017-11-0171138110.3390/nano7110381nano7110381ZnO Nanowire Application in Chemoresistive Sensing: A ReviewSimas Rackauskas0Nadia Barbero1Claudia Barolo2Guido Viscardi3Department of Chemistry, NIS Interdepartmental Centre and INSTM Reference Centre, University of Turin, Via Pietro Giuria 7, 10125 Turin, ItalyDepartment of Chemistry, NIS Interdepartmental Centre and INSTM Reference Centre, University of Turin, Via Pietro Giuria 7, 10125 Turin, ItalyDepartment of Chemistry, NIS Interdepartmental Centre and INSTM Reference Centre, University of Turin, Via Pietro Giuria 7, 10125 Turin, ItalyDepartment of Chemistry, NIS Interdepartmental Centre and INSTM Reference Centre, University of Turin, Via Pietro Giuria 7, 10125 Turin, ItalyThis 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.https://www.mdpi.com/2079-4991/7/11/381ZnOnanowiresensorschemoresistivebiosensing
spellingShingle Simas Rackauskas
Nadia Barbero
Claudia Barolo
Guido Viscardi
ZnO Nanowire Application in Chemoresistive Sensing: A Review
Nanomaterials
ZnO
nanowire
sensors
chemoresistive
biosensing
title ZnO Nanowire Application in Chemoresistive Sensing: A Review
title_full ZnO Nanowire Application in Chemoresistive Sensing: A Review
title_fullStr ZnO Nanowire Application in Chemoresistive Sensing: A Review
title_full_unstemmed ZnO Nanowire Application in Chemoresistive Sensing: A Review
title_short ZnO Nanowire Application in Chemoresistive Sensing: A Review
title_sort zno nanowire application in chemoresistive sensing a review
topic ZnO
nanowire
sensors
chemoresistive
biosensing
url https://www.mdpi.com/2079-4991/7/11/381
work_keys_str_mv AT simasrackauskas znonanowireapplicationinchemoresistivesensingareview
AT nadiabarbero znonanowireapplicationinchemoresistivesensingareview
AT claudiabarolo znonanowireapplicationinchemoresistivesensingareview
AT guidoviscardi znonanowireapplicationinchemoresistivesensingareview