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- Title
Chemistry and electronics of single layer MoS<sub>2</sub> domains from photoelectron spectromicroscopy using laboratory excitation sources.
- Authors
Frégnaux, M.; Kim, H.; Rouchon, D.; Derycke, V.; Bleuse, J.; Voiry, D.; Chhowalla, M.; Renault, O.
- Abstract
In the recent context of emerging two-dimensional (2D) materials, a comprehensive set of spatially resolved photoelectron spectroscopic techniques providing information ranging from surface chemical states to electronic band structure must be available at the practical level (i.e. from laboratory-based instrumentation) for a better understanding of their outstanding properties. We highlight recent capabilities of X-ray PhotoElectron Emission Microscopy (XPEEM) and reciprocal-space VUV-PEEM ( kPEEM) for addressing this issue, with a report on microscopic analyses of chemical vapor deposited (CVD) molybdenum disulfide (MoS2) domains. These include band structure imaging with event-counting detection allowing to perform angle-resolved ultra-violet photoelectron spectroscopy (ARUPS) in a parallel way with energy resolution of 200 meV and less, and k resolution of 0.05 Å−1. Copyright © 2016 John Wiley & Sons, Ltd.
- Subjects
ELECTRONIC band structure; MOLYBDENUM disulfide; CHEMICAL vapor deposition; PHOTOELECTRON spectroscopy; TWO-dimensional materials (Nanotechnology); TRANSITION metal compounds synthesis
- Publication
Surface & Interface Analysis: SIA, 2016, Vol 48, Issue 7, p465
- ISSN
0142-2421
- Publication type
Article
- DOI
10.1002/sia.5992