Results overview: Found 7 records in 0.04 seconds.
Articles, 7 records found
Articles 7 records found  
1.
10 p, 8.5 MB Introducing Design Strategies to Preserve N-Heterocycles Throughout the On-Surface Synthesis of Graphene Nanostructures / Tenorio, María José (Institut Català de Nanociència i Nanotecnologia) ; Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Vilas-Varela, Manuel (Universidade de Santiago de Compostela) ; Castro-Esteban, Jesús (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Febrer Calabozo, Pol (Institut Català de Nanociència i Nanotecnologia) ; Pruneda, Miguel (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Despite the impressive advances in the synthesis of atomically precise graphene nanostructures witnessed during the last decade, advancing in compositional complexity faces major challenges. The concept of introducing the desired functional groups or dopants in the molecular precursor often fails due to their lack of stability during the reaction path. [...]
2023 - 10.1002/smtd.202300768
Small Methods, (October 2023) , art. 2300768  
2.
8 p, 7.7 MB Molecular Bridge Engineering for Tuning Quantum Electronic Transport and Anisotropy in Nanoporous Graphene / Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Diaz de Cerio, Xabier (Donostia International Physics Center) ; Vilas-Varela, Manuel (Universidade de Santiago de Compostela) ; Tenorio, María José (Institut Català de Nanociència i Nanotecnologia) ; Sarasola, Ane (Universidad del País Vasco) ; Brandbyge, Mads (Technical University of Denmark) ; Peña, Diego (Universidade de Santiago de Compostela) ; Garcia-Lekue, Aran (Ikerbasque) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Recent advances on surface-assisted synthesis have demonstrated that arrays of nanometer wide graphene nanoribbons can be laterally coupled with atomic precision to give rise to a highly anisotropic nanoporous graphene structure. [...]
2023 - 10.1021/jacs.3c00173
Journal of the American Chemical Society, Vol. 145, Issue 16 (April 2023) , p. 8988-8995  
3.
30 p, 2.2 MB Stabilizing edge fluorination in graphene nanoribbons / Panighel, Mirco (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Brandimarte Mendonça, Pedro (Donostia International Physics Center) ; Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Garcia-Lekue, Aran. (Ikerbasque) ; Vilas-Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Rey, Dulce (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
The on-surface synthesis of edge-functionalized graphene nanoribbons (GNRs) is challenged by the stability of the functional groups throughout the thermal reaction steps of the synthetic pathway. Edge fluorination is a particularly critical case in which the interaction with the catalytic substrate and intermediate products can induce the complete cleavage of the otherwise strong C-F bonds before the formation of the GNR. [...]
2020 - 10.1021/acsnano.0c01837
ACS nano, Vol. 14, issue 9 (Sep. 2020) , p. 11120-11129  
4.
21 p, 2.4 MB Band Depopulation of Graphene Nanoribbons Induced by Chemical Gating with Amino Groups / Li, Jingcheng (CIC Nanogune BRTA) ; Brandimarte Mendonça, Pedro (Donostia International Physics Center) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Merino Díez, Nestor (CIC Nanogune BRTA) ; Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia) ; Sáez Mollejo, Jaime (Donostia International Physics Center) ; Sanchez-Portal, Daniel (Donostia International Physics Center) ; Garcia de Oteyza, Dimas (Donostia International Physics Center) ; Corso, Martina (Donostia International Physics Center) ; Garcia-Lekue, Aran (Donostia International Physics Center) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Pascual, José I. (CIC Nanogune BRTA)
The electronic properties of graphene nanoribbons (GNRs) can be precisely tuned by chemical doping. Here we demonstrate that amino (NH) functional groups attached at the edges of chiral GNRs (chGNRs) can efficiently gate the chGNRs and lead to the valence band (VB) depopulation on a metallic surface. [...]
2020 - 10.1021/acsnano.9b08162
ACS nano, Vol. 14, Issue 2 (February 2020) , p. 1895-1901  
5.
6 p, 1.7 MB On-surface synthesis of superlattice arrays of ultra-long graphene nanoribbons / Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Paradinas Aranjuelo, Marcos (Institut Català de Nanociència i Nanotecnologia) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Panighel, Mirco (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
We report the on-surface synthesis of graphene nanoribbon superlattice arrays directed by the herringbone reconstruction of the Au(111) surface. The uniaxial anisotropy of the zigzag pattern of the reconstruction defines a one dimensional grid for directing the Ullmann polymerization and inducing periodic arrays of parallel ultra-long nanoribbons (>100 nm), where the periodicity is varied with coverage at discrete values following a hierarchical templating behavior.
2018 - 10.1039/c8cc04830d
Chemical communications, Vol. 54, Issue 68 (September 2018) , p. 9402-9405  
6.
28 p, 584.5 KB Critical Role of Phenyl Substitution and Catalytic Substrate in the Surface-Assisted Polymerization of Dibromobianthracene Derivatives / Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Panighel, Mirco (Institut Català de Nanociència i Nanotecnologia) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Tenorio, María José (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Understanding the nature and hierarchy of on-surface reactions is a major challenge for designing coordination and covalent nanostructures by means of multistep synthetic routes. In particular, intermediates and final products are hard to predict since the reaction paths and their activation windows depend on the choice of both the molecular precursor design and the substrate. [...]
2019 - 10.1021/acs.chemmater.8b03094
Chemistry of materials, Vol. 31, Issue 2 (January 2019) , p. 331-341  
7.
11 p, 967.1 KB Bottom-up synthesis of multifunctional nanoporous graphene / Moreno, Cesar (Institut Català de Nanociència i Nanotecnologia) ; Vilas Varela, Manuel (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Kretz, Bernhard (Donostia International Physics Center) ; Garcia-Lekue, Aran (Basque Foundation for Science) ; Costache, Marius Vasile. (Institut Català de Nanociència i Nanotecnologia) ; Paradinas Aranjuelo, Marcos (Institut Català de Nanociència i Nanotecnologia) ; Panighel, Mirco (Institut Català de Nanociència i Nanotecnologia) ; Ceballos, Gustavo (Institut Català de Nanociència i Nanotecnologia) ; Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia) ; Peña, Diego (Universidade de Santiago de Compostela. Departamento de Química Orgánica) ; Mugarza, Aitor (Institut Català de Nanociència i Nanotecnologia)
Nanosize pores can turn semimetallic graphene into a semiconductor and, from being impermeable, into the most efficient molecular-sieve membrane. However, scaling the pores down to the nanometer, while fulfilling the tight structural constraints imposed by applications, represents an enormous challenge for present top-down strategies. [...]
2018 - 10.1126/science.aar2009
Science, Vol. 360, Issue 6385 (April 2018) , p. 199-203  

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