Metal-oxide nanowire sensors for CO detection: Charaterization and modeling

Abstract

This paper concerns the characterization and modeling of single crystal metal-oxide nanowires (e.g. SnO 2 and ZnO) used as CO sensors. In this work the performance of these devices when they are used with variable operating temperatures was taken into account. The aim was establishing a model to be used for the development of sensing systems working with programmed temperature protocols. In particular a model for the dynamic behavior of the sensors that is able to predict the sensor response during transients was developed and tested. The model can be exploited for the selection of optimum operating temperature profiles.

A novel magnetic-catalytic CMOS MEMS compatible gas sensor with ultra low power consumption

“…In recent year, numerous types of gas sensor based on their characteristics used in the different conditions. For instance, people measured the change of CNT I-V property by applying a voltage to the IL-gate to attract the ions onto the CNT surface by using the combination of carbon nanotubes (CNTs) and ionic liquid (IL) for gas sensing [1], metal-oxide nanowire sensors for CO detection used with variable operating temperatures was taken into account [2] and measure the variation of semiconductor gas sensor fabricate by standard CMOS MEMS in resistance [3,4]. From the literature of the past, we known chemical sensors, Tin oxide, can reach high resolution of gas concentration with heating power to maintain the reaction rate [5].…”