The detection of improvised nonmilitary peroxide based explosives using a titania nanotube array sensor

被引：49

作者：

Banerjee, Subarna ^{[1
]}

Mohapatra, Susanta K. ^{[1
]}

Misra, Mano ^{[1
]}

Mishra, Indu B. ^{[1
]}

机构：

[1] Univ Nevada, Reno, NV 89557 USA

来源：

NANOTECHNOLOGY | 2009年 / 20卷 / 07期

关键词：

DESORPTION ELECTROSPRAY-IONIZATION; PHOTOCATALYTIC DECOMPOSITION; TRIACETONE TRIPEROXIDE; MASS-SPECTROMETRY; TIO2; NANOTUBES; WATER; TATP; FILMS; OXIDE; CELL;

D O I：

10.1088/0957-4484/20/7/075502

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

There is a critical need to develop an efficient, reliable and highly selective sensor for the detection of improvised nonmilitary explosives. This paper describes the utilization of functionalized titania nanotube arrays for sensing improvised organic peroxide explosives such as triacetone triperoxide (TATP). TATP forms complexes with titania nanotube arrays (prepared by anodization and sensitized with zinc ions) and thus affects the electron state of the nanosensing device, which is signaled as a change in current of the overall nanotube material. The response is rapid and a signal of five to eight orders of magnitude is observed. These nanotube array sensors can be used as hand-held miniaturized devices as well as large scale portable units for military and homeland security applications.

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页数：6

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