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Materials 2018, 11(8), 1364; https://doi.org/10.3390/ma11081364

Recent Developments in Spectroscopic Techniques for the Detection of Explosives

Department of Applied Chemistry, School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
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Received: 8 July 2018 / Revised: 1 August 2018 / Accepted: 3 August 2018 / Published: 6 August 2018
(This article belongs to the Section Structure Analysis and Characterization)
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Abstract

Trace detection of explosives has been an ongoing challenge for decades and has become one of several critical problems in defense science; public safety; and global counter-terrorism. As a result, there is a growing interest in employing a wide variety of approaches to detect trace explosive residues. Spectroscopy-based techniques play an irreplaceable role for the detection of energetic substances due to the advantages of rapid, automatic, and non-contact. The present work provides a comprehensive review of the advances made over the past few years in the fields of the applications of terahertz (THz) spectroscopy; laser-induced breakdown spectroscopy (LIBS), Raman spectroscopy; and ion mobility spectrometry (IMS) for trace explosives detection. Furthermore, the advantages and limitations of various spectroscopy-based detection techniques are summarized. Finally, the future development for the detection of explosives is discussed. View Full-Text
Keywords: explosive detection; terahertz spectroscopy; laser-induced breakdown spectroscopy; Raman spectroscopy; ion mobility spectrometry explosive detection; terahertz spectroscopy; laser-induced breakdown spectroscopy; Raman spectroscopy; ion mobility spectrometry
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Zhang, W.; Tang, Y.; Shi, A.; Bao, L.; Shen, Y.; Shen, R.; Ye, Y. Recent Developments in Spectroscopic Techniques for the Detection of Explosives. Materials 2018, 11, 1364.

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