Abstract

This paper presents studies of the action of light on the conductivity of a metallic island film consisting of an ensemble of nanoparticles of metallic sodium, deposited on an insulating substrate and interacting with each other because of the tunneling of electrons between them. It is found that radiation has the greatest effect on the conductivity of the film when electrons are emitted from it (the photoelectric effect from the surface of metallic nanoparticles). It is established that the efficiency and spectral properties of the photoconductivity and photoelectron emission are substantially connected with the optical characteristics of the film.

© 2008 Optical Society of America

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