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Flexible triboelectric generator
Shell-isolated nanoparticle-enhanced Raman spectroscopy
Shell-isolated nanoparticle-enhanced Raman spectroscopy is reported, in which the Raman signal amplification is provided by gold nanoparticles with an ultrathin silica or alumina shell, which significantly expands the flexibility of SERS for useful applications in the materials and life sciences, as well as for the inspection of food safety, drugs, explosives and environment pollutants.
Surface-Enhanced Raman Scattering: From Noble to Transition Metals and from Rough Surfaces to Ordered Nanostructures
In the mid-1970s, surface-enhanced Raman scattering (SERS) was discovered which impacted on surface science and spectroscopy because of its extremely high surface sensitivity. However, SERS had not…
Nanostructure-based plasmon-enhanced Raman spectroscopy for surface analysis of materials
Since 2000, there has been an explosion of activity in the field of plasmon-enhanced Raman spectroscopy (PERS), including surface-enhanced Raman spectroscopy (SERS), tip-enhanced Raman spectroscopy…
Present and Future of Surface-Enhanced Raman Scattering
Prominent authors from all over the world joined efforts to summarize the current state-of-the-art in understanding and using SERS, as well as to propose what can be expected in the near future, in terms of research, applications, and technological development.
When the signal is not from the original molecule to be detected: chemical transformation of para-aminothiophenol on Ag during the SERS measurement.
- Yi-Fan Huang, Hongping Zhu, Guo-Kun Liu, De‐Yin Wu, B. Ren, Z. Tian
- ChemistryJournal of the American Chemical Society
- 8 June 2010
It is demonstrated in this paper that a laser with a power level considered to be low in the traditional SERS measurement can already lead to a significant surface reaction.
Epitaxial growth of heterogeneous metal nanocrystals: from gold nano-octahedra to palladium and silver nanocubes.
A general rule is preliminarily proposed that the atomic radius, bond dissociation energy, and electronegativity of the core and shell metals play key roles in determining the conformal epitaxial layered growth mode.
Electrochemical surface-enhanced Raman spectroscopy of nanostructures.
- De‐Yin Wu, Jian-feng Li, B. Ren, Z. Tian
- Chemistry, Materials ScienceChemical Society reviews
- 29 April 2008
Great efforts have been made to comprehensively understand SERS and analyze EC-SERS spectra on the basis of the chemical and physical enhancement mechanisms in order to provide meaningful information for revealing the mechanisms of electrochemical adsorption and reaction.
Surface-enhanced Raman spectroscopy: substrate-related issues
- Xiumei Lin, Yan Cui, Yan-hui Xu, B. Ren, Z. Tian
- ChemistryAnalytical and bioanalytical chemistry
- 19 April 2009
The existing methods to estimate the surface enhancement factor, a criterion to characterize the SERS activity of a substrate, are analyzed and some guidelines are proposed to obtain the correct enhancement factor.
Ultrasensitive SERS detection of TNT by imprinting molecular recognition using a new type of stable substrate.
It is demonstrated that TNT concentrations as low as 10(-12) M can be accurately detected using the described SERS assay, and the silver/silver molybdate nanowires complex can yield new silver nanoparticles during the detection process, which makes the Raman signals very stable.