Deep Ultraviolet Resonance Raman Excitation Enables Explosives Detection

被引：128
|
作者：
Tuschel, David D. [1 ]
Mikhonin, Aleksandr V. [1 ]
Lemoff, Brian E. [2 ]
Asher, Sanford A. [1 ]
机构：
[1] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA
[2] W Virginia High Technol Consortium Fdn, Fairmont, WV 26554 USA
来源：
APPLIED SPECTROSCOPY | 2010年 / 64卷 / 04期
关键词：
Ultraviolet resonance Raman; Explosives; Energetic materials; Absolute Raman cross-sections; Solution phase; Stand-off detection; Acetonitrile; SIZED GAMMA-HMX; ALIPHATIC UNCONJUGATED NITRAMINES; TEMPERATURE-DEPENDENT RAMAN; ENERGETIC MATERIALS; PENTAERYTHRITOL TETRANITRATE; STANDOFF DETECTION; VIBRATIONAL SPECTROSCOPY; PROPELLANT FORMULATIONS; MULTIVARIATE-ANALYSIS; SURFACE CONTAMINANTS;
D O I：
10.1366/000370210791114194
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We measured the 229 nm absolute ultraviolet (UV) Raman cross-sections of the explosives trinitrotoluene (TNT), pentaerythritol tetranitrate (PETN), cyclotrimethylene-trinitramine (RDX), the chemically related nitroamine explosive HMX, and ammonium nitrate in solution. The 229 nm Raman cross-sections are 1000-fold greater than those excited in the near-infrared and visible spectral regions. Deep UV resonance Raman spectroscopy enables detection of explosives at parts-per-billion (ppb) concentrations and may prove useful for stand-off spectroscopic detection of explosives.
引用
收藏
页码：425 / 432
页数：8
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