Laser-based photoemission micro-spectroscopy for occupied and unoccupied states of inhomogeneous surfaces

Munakata, Toshiaki; Sugiyama, Takeharu; Sonoda, Yusuke

doi:10.1016/j.susc.2005.06.043

Cited by 5 publications

(1 citation statement)

References 13 publications

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“…82,83 Significant efforts have also gone into developing photoelectron spectroscopy with simultaneously high spatial and energy resolution, ranging from time-of-flight photoemission electron microscopy to spatially resolved photoionization microscopy. [84][85][86][87][88] Although some of these techniques are still in their infancy, new insights on the local environment and potentially the electrostatics may be anticipated. Certainly, the growth of highly uniform heteroepitaxial thin films, although likely unrealistic for real devices, provides a helpful first step in limiting the influence of electrostatic site-dispersion as well.…”

Section: Electrostatics and Interfacial Charge Transfer: Implications...mentioning

confidence: 99%

Influence of electrostatic fields on molecular electronic structure: insights for interfacial charge transfer

Monti

Steele

2010

Phys. Chem. Chem. Phys.

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Molecular and interfacial electronic structure at organic semiconductor interfaces shows a rich and subtle dependence on short- and long-range electrostatic interactions. Interface dipoles can be controlled making use of the anisotropic charge distribution at the interface, often with direct consequences also for the molecular electronic structure. In this Perspective, we will discuss the emerging understanding of how local and collective electrostatic effects control energy level alignment and molecular electronic structure at organic semiconductor interfaces and highlight some of the ramifications for interfacial charge-transfer dynamics. Attention is paid to the validity of the underlying assumptions inherent to the classical electrostatic approach.

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Section: Electrostatics and Interfacial Charge Transfer: Implications...mentioning

confidence: 99%

Influence of electrostatic fields on molecular electronic structure: insights for interfacial charge transfer

Monti

Steele

2010

Phys. Chem. Chem. Phys.

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Surface analytical studies of interfaces in organic semiconductor devices

Gao

2010

Materials Science and Engineering: R: Reports

228

140

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Imaging nanostructures with scanning photoionization microscopy

Monti

Baker

Nesbitt

2006

The Journal of Chemical Physics

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We report detailed studies of local electronic properties in nanostructured thin metallic films using scanning photoionization microscopy. This novel form of microscopy combines the advantages of diffraction-limited optical excitation with the ability to detect both photons and low kinetic energy photoelectrons, permitting sensitive characterization of heterogeneous surfaces under vacuum conditions. Using this technique, correlated measurements of multiphoton photoemission cross section and optical penetration depth are reported for Au films supported on Pt. These results present a first step toward combining confocal fluorescence or Raman microscopy with time-resolved photoelectron imaging spectroscopy in complex metal film environments, which should be ideally suited to investigating local plasmonic effects in nanostructures.

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Laser-based photoemission micro-spectroscopy for occupied and unoccupied states of inhomogeneous surfaces

Cited by 5 publications

References 13 publications

Influence of electrostatic fields on molecular electronic structure: insights for interfacial charge transfer

Influence of electrostatic fields on molecular electronic structure: insights for interfacial charge transfer

Surface analytical studies of interfaces in organic semiconductor devices

Imaging nanostructures with scanning photoionization microscopy

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