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- Title
Molecular chirality detection using plasmonic and dielectric nanoparticles.
- Authors
Kim, TaeHyung; Park, Q-Han
- Abstract
The CD signals we measure consist of the sum of circular differential scattering and absorption ( HT <math overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mi mathvariant="normal"> </mi><msubsup><mi>C</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">x</mi><mi mathvariant="normal">t</mi><mi mathvariant="normal">N</mi><mi mathvariant="normal">P</mi><mo>@</mo><mi mathvariant="normal">m</mi><mi mathvariant="normal">o</mi><mi mathvariant="normal">l</mi></msubsup><mo>=</mo><mi mathvariant="normal"> </mi><msubsup><mi>C</mi><mi mathvariant="normal">s</mi><mi mathvariant="normal">c</mi><mi mathvariant="normal">a</mi><mi mathvariant="normal">N</mi><mi mathvariant="normal">P</mi><mo>@</mo><mi mathvariant="normal">m</mi><mi mathvariant="normal">o</mi><mi mathvariant="normal">l</mi></msubsup><mo>+</mo><mi mathvariant="normal"> </mi><msubsup><mi>C</mi><mi mathvariant="normal">a</mi><mi mathvariant="normal">b</mi><mi mathvariant="normal">s</mi><mi mathvariant="normal">N</mi><mi mathvariant="normal">P</mi><mo>@</mo><mi mathvariant="normal">m</mi><mi mathvariant="normal">o</mi><mi mathvariant="normal">l</mi></msubsup></mrow></math> ht ). We chose an aqueous background of permittivity HT <math overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi> </mi><mi>b</mi></msub><mo>=</mo><msup><mn>1.33</mn><mn>2</mn></msup></math> ht . Plus and minus signs correspond to left and right circularly polarized light wavenumbers HT <math overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>k</mi><mi mathvariant="normal">L</mi></msub></math> ht and HT <math overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>k</mi><mi mathvariant="normal">R</mi></msub></math> ht , respectively.
- Subjects
PLASMONICS; OPTICAL rotatory dispersion; NANOPARTICLES; CHIRALITY; DIELECTRICS; GOLD nanoparticles
- Publication
Nanophotonics (21928606), 2022, Vol 11, Issue 9, p1897
- ISSN
2192-8606
- Publication type
Article
- DOI
10.1515/nanoph-2021-0649