Raman光譜的應用
Raman光譜的應用,拉曼光譜表面電場增強(SERS)附件
Molecule adsorbed on a corrugated metal produces a Raman signal which is 6 to 12 orders of magnitude more intense than the signal it would emit if deposited on a flat substrate. The unique Klarite™ technology makes this enhancement of the Raman signal reproducible enough to be used in everyday chemical analysis for a wide range of applications, from medical diagnosis and drug discovery to forensics and homeland defence.
Klarite™ substrates feature a systematically designed nanometer scale patterning of a silicon surface that is coated in gold. Made of regular arrangements of holes, the surface patterns form photonic crystals that control the surface plasmon that govern the Raman enhancement process.
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