Detection and identification of explosives by surface enhanced Raman scattering
Identifiers
Permanent link (URI): http://hdl.handle.net/10017/34959DOI: 10.1080/05704928.2015.1118637
ISSN: 0570-4928
Date
2016Funders
Prevention of and Fight against Crime Programme European Commission - Directorate-General Home Affairs
Bibliographic citation
Applied Spectroscopy Reviews, 2016, v. 51, n. 3, p. 207-242
Keywords
explosives
explosives vapors
perchlorate
Surface Enhanced Raman Scattering (SERS)
Trinitrotoluene
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© Taylor&Francis 2016
Access rights
info:eu-repo/semantics/openAccess
Abstract
Surface Enhanced Raman Scattering (SERS) has undergone an important development over the last few years, particularly in the detection and identification of extremely low traces of explosives. The large number of studies and results generated by this increasing research makes a comprehensive overview necessary. This work reviews in detail that research focused on the identification of explosives by SERS, including TNT, DNT, RDX, PETN, TATP, HMTD, perchlorate, etc. either in bulk state, in solution or in vapour phase. In brief, TNT and DNT have been widely studied by SERS due to its aromatic structure and LODs down to 5&#-10 zg and 10-17&-10-13 M have been achieved. The other explosives have been quite less researched; therefore, few results are available to be compared and a bit more modest LODs have been reached such as 10-13 M for RDX, 10‑4 M for TATP, 5 pg for PETN, or 10-9 M for perchlorate. In addition, the challenges of detecting both explosives vapours and perchlorate anion by SERS are thoroughly discussed.
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