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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Robertson, John
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2022Halide Perovskites: Advanced Photovoltaic Materials Empowered by a Unique Bonding Mechanismcitations
- 2022Printability of pharmaceutical Fused Deposition Modeling (FDM) feedstock material
- 2021Halide Perovskites: Advanced Photovoltaic Materials Empowered by a Unique Bonding Mechanism
- 2019Use of terahertz-Raman spectroscopy to determine solubility of the crystalline active pharmaceutical ingredient in polymeric matrices during hot melt extrusioncitations
- 2018Carbon nanotube isolation layer enhancing in-liquid quality-factors of thin film bulk acoustic wave resonators for gravimetric sensing
- 2018Insulator-to-Metallic Spin-Filtering in 2D-Magnetic Tunnel Junctions Based on Hexagonal Boron Nitridecitations
- 2017Defect passivation of transition metal dichalcogenides via a charge transfer van der Waals interface.
- 2017Low temperature growth of fully covered single-layer graphene using a CoCu catalystcitations
- 2017Low temperature growth of fully covered single-layer graphene using a CoCu catalyst.
- 2016Modelling of co-rotating twin-screw extruders in the pharmaceutical industry I
- 2015High-K materials and metal gates for CMOS applications
- 2015Spatial variability in large area single and few-layer CVD graphene
- 2015Influence of packing density and surface roughness of vertically-aligned carbon nanotubes on adhesive properties of gecko-inspired mimetics.
- 2014Bio-inspired hierarchical polymer fiber-carbon nanotube adhesivescitations
- 2014The role of the sp2:sp3 substrate content in carbon supported nanotube growthcitations
- 2014The role of the sp 2 :sp 3 substrate content in carbon supported nanotube growthcitations
- 2012The phase of iron catalyst nanoparticles during carbon nanotube growthcitations
- 2007Diamond-like carbon for data and beer storagecitations
- 2006Periodic inclusion of room-temperature-ferromagnetic metal phosphide nanoparticles in carbon nanotubescitations
- 2005Materials science: The ultrasmoothness of diamond-like carbon surfacescitations
- 2004Hydrogen content estimation of hydrogenated amorphous carbon by visible Raman spectroscopycitations
Places of action
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article
Hydrogen content estimation of hydrogenated amorphous carbon by visible Raman spectroscopy
Abstract
In the present study, we report the hydrogen content estimation of the hydrogenated amorphous carbon (a-C:H) films using visible Raman spectroscopy in a fast and nondestructive way. Hydrogenated diamondlike carbon films were deposited by the plasma enhanced chemical vapor deposition, plasma beam source, and integrated distributed electron cyclotron resonance techniques. Methane and acetylene were used as source gases resulting in different hydrogen content and sp(2)/sp(3) fraction. Ultraviolet-visible (UV-Vis) spectroscopic ellipsometry (1.5-5 eV) as well as UV-Vis spectroscopy were provided with the optical band gap (Tauc gap). The sp(2)/sp(3) fraction and the hydrogen content were independently estimated by electron energy loss spectroscopy and elastic recoil detection analysis-Rutherford back scattering, respectively. The Raman spectra that were acquired in the visible region using the 488 nm line shows the superposition of Raman features on a photoluminescence (PL) background. The direct relationship of the sp(2) content and the optical band gap has been confirmed. The difference in the PL background for samples of the same optical band gap (sp(2) content) and different hydrogen content was demonstrated and an empirical relationship between the visible Raman spectra PL background slope and the corresponding hydrogen content was extracted.