Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 387, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2019.121714
Keywords
Surface enhanced Raman spectroscopy; Explosives; Metal nanoparticles; Hot spot
Categories
Funding
- Natural Science Foundation of Jiangsu Province [BK20171450]
- National Key Research and Development Program of China [2017YFD0601005]
- Foundation of State Key Laboratory of Biobased Material and Green Papermaking (Qilu University of Technology, Shandong Academy of Sciences) [KF201804]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Surface-enhanced Raman spectroscopy (SERS) technology has been reported to be able to quickly and non-destructively identify target analytes. SERS substrate with high sensitivity and selectivity gave SERS technology a broad application prospect. This contribution alms to provide a detailed and systematic review of the current state of research on SERS-based explosive sensors, with particular attention to current research advances. This review mainly focuses on the strategies for improving SERS performance and the SERS substrates with different dimensions including zero-dimensional (OD) nanocolloids, one-dimensional (1D) nanowires and nanorods, two-dimensional (2D) arrays, and three-dimensional (3D) networks. The effects of elemental composition, the shape and size of metal nanoparticles, hot-spot structure and surface modification on the performance of explosive detection are also reviewed. In addition, the future development tendency and application of SERS-based explosive sensors are prospected.
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