Design and fabrication of a sensor for explosives as a first step to an IED detection device

Silva, S.M.,Gamarra, J.D.,Hernandez, C.A.,Osma, J.F.

Sensors（2014）

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摘要

We present the design and fabrication process for an electrochemical “electronic nose” type sensor. This metal oxide based system focuses on the detection of ammonia as a possible sign of Ammonium nitrate based explosives, the main ingredients used by Armed Groups outside the law in Colombia for their Improvised Explosive Devices. The characterization of the conductivity variations of the zinc oxide sensor was made by a voltage divisor with constant input and serial data acquisition using an Arduino Uno® and MatLab® software. This is the first step in a more complex system for improvised explosive devices.

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关键词

II-VI semiconductors,ammonia,data acquisition,electrochemical sensors,electronic noses,explosive detection,explosives,voltage dividers,wide band gap semiconductors,zinc compounds,Arduino Uno software,Armed Groups,Colombia,MatLab software,ZnO,ammonia detection,ammonium nitrate,conductivity variation,data acquisition,electrochemical electronic nose type sensor,improvised explosive detection device,metal oxide based system,voltage divisor,zinc oxide sensor,ANFO,Ammonia,Explosive detection,R1,Zinc Oxide,electronic nose,gas sensor

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