Question

What is molar absorptivity of silver nanoparticles?

Answer 1

While it has been a little later than I expected, I recently published an article on this issue in the RSC Analyst, which will be free for the next few weeks. The Supplementary Information (always free I believe) contains a comprehensive table of extinction coefficients of citrate-coated silver nanoparticles, from 8nm to 100nm in size (2nm steps). I hope this will be useful.