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http://onlinelibrary.wiley.com/doi/10.1002/anie.201207019/pdf Organized Plasmonic Clusters with High Coordination Number and Extraordinary Enhancement in Surface-Enhanced Raman Scattering (SERS) On Sat, Jan 18, 2014 at 3:57 PM, Axil Axil <[email protected]> wrote: > A pile of particles(micro and nano) act as a system where the big > particles feed power to the little particles. It is like a multi stage > rocket where the big stage feed power to the smaller stage. > > At the end of the line, the smallest stage has a huge amount of power > built up from all the bigger fellows down the line of contact. > > The bigger the pile and the broader the particle size differences, the > more power is fed to the smallest particles in line. > > > > > On Sat, Jan 18, 2014 at 3:34 PM, Eric Walker <[email protected]>wrote: > >> On Sat, Jan 18, 2014 at 12:24 PM, Axil Axil <[email protected]> wrote: >> >> Hot Electrons Do the Impossible - Plasmon-Induced Dissociation of H2 >>> http://www.princeton.edu/mae/people/faculty/carter/EAC-267.pdf >>> >>> Did I explain this to you before? >>> >> >> You have mentioned this before. From the abstract: >> >> Surface plasmons excited in the Au nanoparticle decay into hot electrons >>> with energies between the vacuum level and the work function of the metal. >> >> >> That appears to place an upper bound on the hot electrons of the work >> function of the metal. That of gold is 4-5 eV [1]. Is an electron in the >> range of 4-5 eV sufficient to bring about electron capture in the way that >> Widom and Larsen would like? (My guess: a lot more than 5 eV is going to >> be required.) >> >> Eric >> >> [1] http://en.wikipedia.org/wiki/Work_function#Work_functions_of_elements >> >> >
