Abstract
The absolute photoelectric quantum yieldY(hv), 4.6 eV≦hv≦5.6 eV, of clean free silver particles with radii 2.7 nm, 3.8 nm and 5.4 nm is measured for the first time. The particles are produced and transported in ultrapure Helium. The photoemission constantc in the Fowler-Nordheim law is enhanced by a factor of ≈200 for particles compared to a flat surface.Y(hv) shows the same structure for different radii and flat surfaces. The dependence of the work function Φ on the radius follows the classical electrostatic model.
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Müller, U., Schmidt-Ott, A. & Burtscher, H. Photoelectric quantum yield of free silver particles near threshold. Z. Physik B - Condensed Matter 73, 103–106 (1988). https://doi.org/10.1007/BF01312160
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DOI: https://doi.org/10.1007/BF01312160