Schottky-Gated Probe-Free ZnO Nanowire Biosensor

Ping-Hung Yeh, Zhou Li, Zhong Lin Wang

Research output: Contribution to journalArticlepeer-review

199 Scopus citations

Abstract

(Figure Presented) A nanowire-based nanosensor for detecting biologically and chemically charged molecules that is probe-free and highly sensitive is demonstrated. The device relies on the nonsymmetrical Schottky contact under reverse bias (see figure) and is much more sensitive than the device based on the symmetric ohmic contact. This approach serves as a guideline for designing more practical chemical and biochemical sensors. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA.
Original languageEnglish (US)
Pages (from-to)4975-4978
Number of pages4
JournalAdvanced Materials
Volume21
Issue number48
DOIs
StatePublished - Sep 17 2009
Externally publishedYes

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