Photoelectric quantum yield of nanometer metal particles
- 30 August 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (9) , 1191-1193
- https://doi.org/10.1063/1.109767
Abstract
The absolute photoelectric quantum yield of nanometer metal particles (Ni, Pd, Cu, Ag, Au) is measured from threshold up to photon energies hν of 10 eV. The particles are produced and measured in ultrapure helium at atmospheric pressure. Yield Y and photothreshold φ are compared to bulk data. The shape of Y(hν) is similar for particle and bulk with all investigated materials except Ag. All metals have in common that the particle yield is larger by a factor ≊100 compared to the bulk yield. Apart from electrostatic corrections due to the image and Coulomb potential, the photoelectric threshold is identical for the bulk and the particle.Keywords
This publication has 19 references indexed in Scilit:
- Photochemical preparation and unusual optical absorption of nanometer size metallic silver particlesJournal of Colloid and Interface Science, 1992
- Size-dependent Curie temperature in nanoscaleparticlesPhysical Review Letters, 1991
- Ultrafine particles adsorbed on HOPG measured by STMThe European Physical Journal D, 1991
- Multiply twinned structures in unsupported ultrafine silver particles observed by electron diffractionPhysical Review B, 1991
- Size-dependent melting temperature of individual nanometer-sized metallic clustersPhysical Review B, 1990
- Studies of individual nanometer-sized metallic clusters using scanning tunneling microscopy, field emission, and field ion microscopyJournal of Vacuum Science & Technology A, 1989
- Photoelectric quantum yield of free silver particles near thresholdZeitschrift für Physik B Condensed Matter, 1988
- First measurement of gas adsorption to free ultrafine particles:on AgPhysical Review Letters, 1987
- Enormous Enhancement of van der Waals Forces between Small Silver ParticlesPhysical Review Letters, 1982
- Enormous Yield of Photoelectrons from Small ParticlesPhysical Review Letters, 1980