Searching the Theoretical Ultimate Limits of Probing Surface-Enhanced Raman Optical Activity
نویسندگان
چکیده
منابع مشابه
Theoretical Modeling of the Surface-Enhanced Raman Optical Activity.
Surface-enhanced Raman optical activity (SEROA) is a new technique combining the sensitivity of the surface-enhanced Raman scattering (SERS) with the detailed information about molecular structure provided by the chiral spectroscopies. So far, experimental SEROA spectra have been reported in several studies, but the interpretation and theoretical background are rather limited. In this work, gen...
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The previously formulated surface-enhanced SE Raman optical activity ROA theory is based on a multipole electromagnetic field expansion. The field of molecule and colloid particles is induced by the excitation light. Although this semistatic polarization is not the only enhancement mechanism, it provides a good basis for understanding of the phenomenon. However, the mathematical expressions bec...
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Sanshui Xiao, Niels Asger Mortensen, Antti-Pekka Jauho Department of Photonics Engineering, Technical University of Denmark, DTU Fotonik, DTU-building 345 west, DK-2800 Kongens Lyngby Department of Micro and Nanotechnology, Technical University of Denmark, DTU Nanotech, DTU-building 345 east, DK-2800 Kongens Lyngby, Denmark Laboratory of Physics, Helsinki University of Technology, P. O. Box 110...
متن کاملSurface-enhanced Raman scattering
© 2007 American Institute of Physics, S-0031-9228-0711-020-6 When light interacts with matter, it can scatter inelastically from vibrational quantum states. During that process, photons may lose energy to, or gain it from, vibrational excitations. A change in the photon energy must produce a concomitant shift in the frequency of the scattered light (see box 1). The phenomenon, called the Raman ...
متن کاملSurface Enhanced Raman Spectroscopy
Raman spectroscopy is the use of inelastic scattering of light to probe various properties of molecules and materials. Incoming photons interact with the electron cloud of the molecular bonds and inelastically scatter. During this scattering the energy of the incoming photon is shifted to red or blue depending on the particular process. This phenomenon is called Raman scattering and was discove...
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ژورنال
عنوان ژورنال: ACS Omega
سال: 2018
ISSN: 2470-1343,2470-1343
DOI: 10.1021/acsomega.7b02098