4.7 Article

Metal-oxide nanostructure and gas-sensing performance

Journal

SENSORS AND ACTUATORS B-CHEMICAL
Volume 138, Issue 1, Pages 113-119

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2009.02.020

Keywords

Metal-oxide; Nanostructure; Electrospinning; Chemiresistor

Funding

  1. NASA Glenn Strategic Research Fund (SRF)
  2. Independent Research and Development (IRD) Program
  3. NASA Aeronautics Research Mission Directorate in both the Aviation Safety and Fundamental Aeronautics programs under the Integrated Vehicle Health Management, Subsonic Fixed Wing, and Supersonics
  4. Centenary College through the Ohio Aerospace Institute-American Society for Engineering Education (ASEE)

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A comparison of nanostructured one-dimensional sensing elements is presented. Advantages and limitalions of synthesis and incorporation of these elements fabricated via thermal evaporative condensation and electrospinning are discussed. These single-crystal or polycrystalline elements are tested in a chemiresistor configuration. Catalyst nanoparticles are surface applied to enhance response. Response magnitude, rate and operating temperature form the basis for comparative evaluation. (C) 2009 Elsevier B.V. All rights reserved.

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