Low cost chemical sensor device for supersensitive pentaerythritol tetranitrate (PETN) explosives detection based on titanium dioxide nanotubes |
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Authors: | Mario BoehmeAuthor Vitae Friedemann VoelkleinAuthor VitaeWolfgang EnsingerAuthor Vitae |
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Affiliation: | a Institute of Materials Science, Darmstadt University of Technology, Darmstadt, Germany b Gesellschaft für Schwerionenforschung (GSI), Darmstadt, Germany c Institute of Microtechnologies, RheinMain University of Applied Sciences, Wiesbaden, Germany |
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Abstract: | Within the last decade there has been a great increase in the need of trace and ultra-trace explosive detection. In this report, we demonstrate a new and versatile type of chemical explosive sensors based on metal oxide nanotubes easily made, even with the need of a low budget. We describe the step-by-step procedure to fabricate a sensing chip device, beginning with the synthesis of the starting materials to the point of supersensitive measurements of PETN explosive. As a result, the whole process actually is one of the most cost-effective methods to produce explosive sensing devices reported until now. The achieved chemical sensor device will be able to detect PETN explosive down to ∼112 ppt. |
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Keywords: | Explosives Explosive detection Nanostructures Sensor Sensing device |
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