ArticleNanomaterials (Basel, Switzerland)2023
Investigations of Optical Functions and Optical Transitions of 2D Semiconductors by Spectroscopic Ellipsometry and DFT.
Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Materials Informatics Framework for Accelerated Discovery of High-Refractive-Index 2D Materials.ACS nano · 2026Article
- Theoretical investigations of the auxochromic effect on novel thermally activated delayed fluorescence (TADF) anthracene derivatives.BMC chemistry · 2025Article
- Temperature Dependence of Optical Properties of MoSNanomaterials (Basel, Switzerland) · 2025Article
- Developing an Analysis Procedure and Dispersion Model for Pristine and W-Doped VOACS applied materials & interfaces · 2024Article
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Abstract
Optical functions and transitions are essential for a material to reveal the light-matter interactions and promote its applications. Here, we propose a quantitative strategy to systematically identify the critical point (CP) optical transitions of 2D semiconductors by combining the spectroscopic ellipsometry (SE) and DFT calculations. Optical functions and CPs are determined by SE, and connected to DFT band structure and projected density of states via equal-energy and equal-momentum lines. The combination of SE and DFT provides a powerful tool to investigate the CP optical transitions, including the transition energies and positions in Brillouin zone (BZ), and the involved energy bands and carries. As an example, the single-crystal monolayer WS
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