The Studies of Surface Enhanced Raman Scattering Spectrum Based Three-Dimensional Polymeric Structures Decorated With Dold Nanoparticles
碩士 === 國立中正大學 === 物理學系暨研究所 === 102 === Raman spectroscopy is an important tool for biomolecular structures analysis. However because of the Raman signal is very weak, it faces a great challenge for particle application. So it is a main way to enhance Raman signal with the helps of metal nanoparticle...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2014
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| Online Access: | http://ndltd.ncl.edu.tw/handle/39724223104246375258 |
| Summary: | 碩士 === 國立中正大學 === 物理學系暨研究所 === 102 === Raman spectroscopy is an important tool for biomolecular structures analysis. However because of the Raman signal is very weak, it faces a great challenge for particle application. So it is a main way to enhance Raman signal with the helps of metal nanoparticles and surface structures to enhance the electric field.
This work, we demonstrate a novel structure of surface-enhanced Raman scattering (SERS) substrate based on Au nanoparticles decorated 3-dimensinal (3D) periodic structure frame fabricated by holographically assembling multiple one-dimensional structure. Two-beam interference technique was employed to create a 3D periodic structure frame by assembling layer-by-layer one-dimensional periodic structure, and the chemical decoration method was used to decorate gold nanoparticles on the surface of this frame. SERS signals can be improved by using this novel substrate. The reason is caused from an increase of the number density of Au nanoparticles.
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