What should be the ideal size of Au or Ag nanoparticles for getting optimum SERS effect ?

26 October 2017 1 4K Report

I want to perform SERS for bacteria, i want to know what should be the ideal size of Au or Ag nano-particles which can create optimum plasmonic effect considering also the stability of the particles.

Priyanka Mishra

Dear Anil,

Thanks for this information, i would like to know if i want to have glass slide with SERS active spot ( may be of Au or Ag) what do you think should be diameter of the particles and inter particles gap. I am not sure if it is same like having a thin film of NPs.

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