{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T05:33:52Z","timestamp":1768887232534,"version":"3.49.0"},"reference-count":51,"publisher":"Wiley","issue":"22","license":[{"start":{"date-parts":[[2014,8,8]],"date-time":"2014-08-08T00:00:00Z","timestamp":1407456000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Small"],"published-print":{"date-parts":[[2014,11]]},"abstract":"<jats:p>Novel 1D nanostructures offer new opportunities for improving the performance of electrochemical sensors. In this study, highly ordered 1D nanostructure array electrodes composed of SnO<jats:sub>2<\/jats:sub> nanoparticle\u2010coated ZnO (SnO<jats:sub>2<\/jats:sub>@ZnO) nanotubes are designed and fabricated. The composite nanotube array architecture not only endows the electrochemical electrodes with large surface areas, but also allows electrons to be quickly transferred along the nanotubes. Modifying the SnO<jats:sub>2<\/jats:sub>@ZnO nanotube arrays with negatively charged polymer film and employing them as a working electrode, sensitive and selective electrochemical detection of an important neurotransmitter, i.e., dopamine, is realized via the cycle voltammetry (CV) and differential pulse voltammetry (DPV) techniques. Interference from ascorbic acid can be successfully eliminated. The oxidative peak currents recorded from CV linearly depend on the dopamine concentrations from 0.1 to 100 \u03bcM with a sensitivity of 2.16 \u00d7 10<jats:sup>\u22127<\/jats:sup> A \u03bcM<jats:sup>\u22121<\/jats:sup> cm<jats:sup>\u22122<\/jats:sup> and detection limit of 45.2 nM. Using the DPV technique, an improved sensitivity and detection limit of 1.94 \u00d7 10<jats:sup>\u22126<\/jats:sup> A \u03bcM<jats:sup>\u22121<\/jats:sup> cm<jats:sup>\u22122<\/jats:sup> and 17.7 nM are respectively achieved. Moreover, the SnO<jats:sub>2<\/jats:sub>@ZnO nanotube array electrodes can be reused through simple ultrasonical cleaning and no obvious deterioration is observed in the performance.<\/jats:p>","DOI":"10.1002\/smll.201401471","type":"journal-article","created":{"date-parts":[[2014,8,8]],"date-time":"2014-08-08T05:55:38Z","timestamp":1407477338000},"page":"4685-4692","source":"Crossref","is-referenced-by-count":46,"title":["SnO<sub>2<\/sub> Nanoparticle\u2010Coated ZnO Nanotube Arrays for High\u2010Performance Electrochemical Sensors"],"prefix":"10.1002","volume":"10","author":[{"given":"Guangwei","family":"She","sequence":"first","affiliation":[{"name":"Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences  Beijing 100190 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xing","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Inorganic Chemistry 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