Reliability of sensors based on nanowire networks

Nader Ebrahimi, Kristin McCullough and Zhili Xiao

IISE Transactions, 2013, vol. 45, issue 2, 215-228

Abstract: Nanowires have a great potential in many industrial applications, including electronics and sensors. Palladium nanowire network-based hydrogen sensors have been found to outperform their counterparts that consist of an individual nanowire or palladium thin or thick films. However, reliability issues that affect these sensors still need to be addressed. This article considers hydrogen gas sensors based on a nanowire network with a square lattice structure. A general model for describing the reliability behavior of this network is proposed. It is shown that the reliability function can be imposed by considering a network of nanowires rather than a single nanowire. Among many other applications, the presented results can also be used to assess the reliability of any nanosystem/ nanodevice where the proposed model is a reasonable choice. What distinguishes the work presented in this article from related work are the unique difficulties that the nanocomponents introduce to the evaluation of reliability and the way reliability is defined over cycles of hydrogen gas.

Date: 2013
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DOI: 10.1080/0740817X.2012.679350

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