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Silver-rich clusters in nanoporous gold
Citation Link: https://doi.org/10.15480/882.1650
Publikationstyp
Journal Article
Date Issued
2017-01-17
Sprache
English
TORE-DOI
Journal
Volume
5
Issue
5
Start Page
314
End Page
321
Citation
Materials Research Letters 5 (5): 314-321 (2017)
Publisher DOI
Scopus ID
Publisher
Taylor & Francis
Herein we report on how to render Ti3C2Tx (MXene) monolayers deposited on SiO2/Si wafers, with different SiO2 thicknesses, visible. Inputting the effective thickness of a Ti3C2Tx monolayer (1 ± 0.2 nm) measured by atomic force microscopy, and its refractive index into a Fresnel-law-based simulation software, we show that the optical contrast of Ti3C2Tx monolayers deposited on SiO2/Si wafers depends on the SiO2 thickness, number of MXene layers, and the light’s wavelength. The highest contrast was found for SiO2 thicknesses around 220 nm. Simulations for other substrates, namely, Al2O3/Si, HfO2/Si, Si3N4/Si and Al2O3/Al, are presented as supplementary information.
Subjects
dealloying
nanoporous gold
elemental mapping
electron microscopy
kinetic Monte Carlo simulation
DDC Class
620: Ingenieurwissenschaften
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