The effect of self-assembled monolayers on polarization-dependent two-photon photoemission and on the angular distribution of the photoelectrons

Z. Fradkin, Dan Oron, R. Naaman

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effect of a self-assembled organized organic monolayer on the two-photon photoemission from semiconductor substrates was investigated. It has been found that the monolayer affects the relative yield of photoelectrons emitted by p -polarized versus s -polarized light. In addition, the monolayer affects the angular distribution of the ejected electrons. The effect on the photoelectron yield is attributed to the monolayer "smoothing" the electronic potential on the surface by eliminating surface states and dangling bonds. The effect on the angular distribution is attributed to a post-ejection interaction between the photoelectrons and the adsorbed molecules.

Original languageEnglish
Article number121102
JournalJournal of Chemical Physics
Volume127
Issue number12
DOIs
Publication statusPublished - 2007

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Angular distribution
Photoemission
Self assembled monolayers
Photoelectrons
Monolayers
photoelectrons
photoelectric emission
angular distribution
Photons
Polarization
photons
polarization
Dangling bonds
Surface states
Light polarization
smoothing
ejection
polarized light
Semiconductor materials
Molecules

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

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AU - Oron, Dan

AU - Naaman, R.

PY - 2007

Y1 - 2007

N2 - The effect of a self-assembled organized organic monolayer on the two-photon photoemission from semiconductor substrates was investigated. It has been found that the monolayer affects the relative yield of photoelectrons emitted by p -polarized versus s -polarized light. In addition, the monolayer affects the angular distribution of the ejected electrons. The effect on the photoelectron yield is attributed to the monolayer "smoothing" the electronic potential on the surface by eliminating surface states and dangling bonds. The effect on the angular distribution is attributed to a post-ejection interaction between the photoelectrons and the adsorbed molecules.

AB - The effect of a self-assembled organized organic monolayer on the two-photon photoemission from semiconductor substrates was investigated. It has been found that the monolayer affects the relative yield of photoelectrons emitted by p -polarized versus s -polarized light. In addition, the monolayer affects the angular distribution of the ejected electrons. The effect on the photoelectron yield is attributed to the monolayer "smoothing" the electronic potential on the surface by eliminating surface states and dangling bonds. The effect on the angular distribution is attributed to a post-ejection interaction between the photoelectrons and the adsorbed molecules.

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