Abstract

Vertically and laterally aligned ZnO nanorod arrays were synthesized on Pt-coated Sisubstrates by catalyst-free metal organic chemical vapor deposition. An approach tofabricating chemical sensors based on the nanorod arrays using a coating-and-etchingprocess with a photo-resist is reported. Tests of the devices as oxygen gas sensors have beenperformed. Our results demonstrate that the approach holds promise for the realization ofsensitive and reliable nanorod array chemical sensors.

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