| People | Locations | Statistics |
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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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Pichler, Thomas
University of Vienna
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Temperature dependence of the Raman spectrum of orthorhombic Bi2Se3
- 2022Highly Sensitive and Selective Formaldehyde Gas Sensors Based on Polyvinylpyrrolidone/Nitrogen-Doped Double-Walled Carbon Nanotubescitations
- 2022Momentum-Dependent Oscillator Strength Crossover of Excitons and Plasmons in Two- Dimensional PtSe2citations
- 2022Momentum-Dependent Oscillator Strength Crossover of Excitons and Plasmons in Two-Dimensional PtSe 2citations
- 2022Molybdenum Release Triggered by Dolomite Dissolutioncitations
- 2021Photothermal synthesis of confined carbynecitations
- 2021In-situ laser annealing as pathway for the metal freesynthesis of tailored nanographenes
- 2021Deciphering the Intense Postgap Absorptions of Monolayer Transition Metal Dichalcogenidescitations
- 2020Ultralong Spin Lifetime in Light Alkali Atom Doped Graphenecitations
- 2019Towards controllable inner chirality in double-walled carbon nanotubescitations
- 2019Metal-Organic Framework Co-MOF-74-Based Host-Guest Composites for Resistive Gas Sensingcitations
- 2019Carbon Nanostructures in Cancer Diagnosis and Therapy
- 2019Position and momentum mapping of vibrations in graphene nanostructurescitations
- 2018Measurement of Optical Excitations in Low-Dimensional Materials by Using a Monochromated Electron Sourcecitations
- 2018Fermi level engineering of metallicity-sorted metallic single-walled carbon nanotubes by encapsulation of few-atom-thick crystals of silver chloridecitations
- 2016Environmental control of electron-phonon coupling in barium doped graphenecitations
- 2016Disentangling Vacancy Oxidation on Metallicity-Sorted Carbon Nanotubescitations
- 2015Atomically precise semiconductor-graphene and hBN interfaces by Ge intercalationcitations
- 2014Raman spectroscopy of graphite intercalation compounds: Charge transfer, strain, and electron–phonon coupling in graphene layerscitations
- 2014Raman spectroscopy of graphite intercalation compoundscitations
- 2014Raman spectroscopy of graphite intercalation compounds ; charge transfer, strain, and electron-phonon coupling in graphene layers
- 2013Manifestation of charged and strained graphene layers in the Raman response of graphite intercalation compounds.citations
- 2013Manifestation of Charged and Strained Graphene Layers in the Raman Response of Graphite Intercalation Compoundscitations
- 2013Hybrid Carbon Nanotube Networks as Efficient Hole Extraction Layers for Organic Photovoltaicscitations
- 2011Nitrogen-Doped Single-Walled Carbon Nanotube Thin Films Exhibiting Anomalous Sheet Resistancescitations
- 2011Nanochemical reactions by laser annealing of ferrocene filled single-walled carbon nanotubescitations
- 2010Evidence for substitutional boron in doped single-walled carbon nanotubescitations
- 2009Carbon nanotube synthesis via ceramic catalystscitations
- 2008Tight-binding description of the quasiparticle dispersion of graphite and few-layer graphenecitations
- 2008A one step approach to B-doped single-walled carbon nanotubescitations
- 2006High quality double wall carbon nanotubes with a defined diameter distribution by chemical vapor deposition from alcoholcitations
- 2004Low temperature fullerene encapsulation in single wall carbon nanotubes: Synthesis of N@C60@SWCNTcitations
Places of action
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article
In-situ laser annealing as pathway for the metal freesynthesis of tailored nanographenes
Abstract
Tailored synthesis of nanographenes, and especially graphene nanoribbons (GNR), has been achieved on metal substrates via a bottom-up approach from organic precursors, which paves the way to their application in nanoelectronics and optoelectronics. Since quantum confinement in nanographenes leads to the creation of peculiar band structures, strongly influenced by their topological characteristics, it is important to be able to exactly engineer them in order to precisely tune their electronic, optical and magnetic properties. However practical application of these materials requires post-synthesis transfer to insulating substrates. Recently, cyclodehydrofluorination of fluorinated organic precursors has been shown to be a promising pathway to achieve metal-free bottom-up synthesis of nanographenes. Here we present how to apply in-situ laser annealing to induce cyclodehydrofluorination leading to nanographene formation directly on non-metallic surfaces. In this work, we analyze the changes in the Raman fingerprint of the fluorinated precursor Tetrafluoro-diphenyl-quinquephenyl (TDQ) during the laser annealing process in high vacuum (HV), demonstrating that both heating and photo-induced processes influence the cyclization process. Hence, in-situ laser annealing allows not only to influence chemical reactions, but also to have a fast and contact-free monitoring of the reaction products. Optimization of the laser annealing process adds a new level of control in the tailored synthesis of nanographenes on non-metallic substrates. This is a very promising pathway to unravel the full application potential of nanographenes in general and GNR in particular, enabling a fast optimization of precursor molecules and substrate geometry engineered for specific applications.