Hydrothermally grown oriented ZnO nanorod arrays for gas sensing applications

By Jing Wang, Xiao Wei Sun, Yanhui Yang, Hui Huang, Y. C. Lee, O. Tan, L. Vayssieres. 2006

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Amorphous Pd-assisted H2 detection of ZnO nanorod gas sensor with enhanced sensitivity and stability (2018, background): “In general, the metal oxide-based gas sensors require high operating temperatures of approximately 200-400 °C [13-24] or UV activation [23,26] to produce a suitable sensing atmosphere for eliminating moisture and other adsorbed chemical species to induce chemisorption of oxygen species on the ZnO su”
Semiconductor Gas Sensors: Materials, Technology, Design, and Application (2020, background): “It can be synthesized using different methods into a variety of nanostructure morphologies such as nanoparticles (traditional rounded 3D shape), nanorods [87,88] nanowires, nanobelts, nanoterapods [36], nanoflowers [39], nanowhiskers [89], and many others.”
One-dimensional ZnO nanostructures: Solution growth and functional properties (2011, methodology): “ZnO nanowires have been used as active components in gas sensors [167, 168, 433], visible light sensors [434], visible-blind UV sensors [95, 280, 435], biosensors [94, 436], and strain sensors [437].”