Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 108, Issue -, Pages 247-259Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2018.09.004
Keywords
Copper nanoparticles; Copper electrodes; CuNPs; SERS substrates; SERS; Enhancement factor
Categories
Funding
- RFBR [17-03-00537]
- Russian Science Foundation [14-13-00229]
- Federal Ministry of Education and Research (BMBF) of Germany [13GW0096F, 13N13856]
- Russian Science Foundation [17-13-00044] Funding Source: Russian Science Foundation
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Surface-enhanced Raman spectroscopy (SERS) is a modern tool for chemical analysis. SERS utilizes plasmonic metal nanostructures (SERS substrates) to enhance the molecular specific Raman signal by several orders of magnitude (10(4)-10(8)). SERS substrates based on noble metals (gold and silver) are currently the gold standard due to their unique properties and high chemical stability. However, the application of noble metals significantly restricts widespread implementation of SERS in practice because of their high costs. To overcome this limitation, researchers are developing noble metal-free SERS substrates, and copper-based substrates are a highly promising alternative. The aim of this review is to summarize and critically discuss the available information regarding copper-based SERS substrates (fabrication, Raman enhancement properties, and fields of application) and to estimate their applicability for chemical analysis. (c) 2018 Elsevier B.V. All rights reserved.
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