267 citations · 1.8k across the 31 of their papers we have counts for
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Self-Aligned Metallic-Semiconducting Phosphorus Nanoarrays Driven by Facet Engineering
M. Bassotti, M. Tallarida, J. Dai +10
Two-dimensional (2D) materials often require specific substrate terminations for epitaxial stabilization, yet the search for suitable templates has largely focused on low-index met…
Emergence of π-Magnetism in Fused Aza-Triangulenes: Symmetry and Charge Transfer Effects
Jan Patrick Calupitan, Alejandro Berdonces-Layunta, Fernando Aguilar-Galindo +6
On-surface synthesis has paved the way towards the fabrication and characterization of conjugated carbon-based molecular materials that exhibit π-magnetism such as triangulenes. Az…
Chemisorption Induced Formation of Biphenylene Dimer on Surfaces
Zhiwen Zeng, Dezhou Guo, Tao Wang +10
We report an example that demonstrates the clear interdependence between surface-supported reactions and molecular adsorption configurations. Two biphenyl-based molecules with two…
Epitaxial monolayers of magnetic 2D semiconductor FeBr grown on Au(111)
S. E. Hadjadj, C. González-Orellana, J. Lawrence +20
Magnetic two-dimensional (2D) semiconductors have attracted a lot of attention because modern preparation techniques are capable of providing single crystal films of these material…
On-surface synthesis and evolution of self-assembled poly(-phenylene) chains on Ag(111): a joint experimental and theoretical study
Viktoria V. Ivanovskaya, Alberto Zobelli, Andrea Basagni +6
The growth of controlled 1D carbon-based nanostructures on metal surfaces is a multistep process whose path, activation energies and intermediate metastable states strongly depend…
Aza-Triangulene: On-Surface Synthesis, Electronic and Magnetic Properties
Tao Wang, Alejandro Berdonces-Layunta, Niklas Friedrich +7
Nitrogen heteroatom doping into a triangulene molecule allows tuning its magnetic state. However, the synthesis of the nitrogen-doped triangulene (aza-triangulene) has been challen…
Magnetic Interactions Between Radical Pairs in Chiral Graphene Nanoribbons
Tao Wang, Sofia Sanz, Jesús Castro-Esteban +8
Magnetic graphene nanoribbons (GNRs) have become promising candidates for future applications, including quantum technologies. Here, we characterize magnetic states hosted by chira…
Band structure and energy level alignment of chiral graphene nanoribbons on silver surfaces
Martina Corso, Rodrigo E. Menchón, Ignacio Piquero-Zulaica +5
Chiral graphene nanoribbons are extremely interesting structures due to their low bandgaps and potential development of spin-polarized edge states. Here, we study their band struct…
Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons
Dimas G. de Oteyza, Aran Garcia-Lekue, Manuel Vilas-Varela +10
Contributing to the need of new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reactant that renders chiral (3,1) - GNRs aft…
Steering alkyne homocoupling with on-surface synthesized catalysts
Mohammed S. G. Mohammed, Luciano Colazzo, Aurelio Gallardo +3
We report a multi-step on-surface synthesis strategy. The first step consists in the surface-supported synthesis of metal-organic complexes, which are subsequently used as catalyst…
Controlling the stereospecific bonding motif of Au-thiolate links
Luciano Colazzo, Mohammed S. G. Mohammed, Aurelio Gallardo +4
Organosulfur compounds at the interface to noble metals have proved over the last decades to be extremely versatile systems for both fundamental and applied research. However, the…
Electronic structure tunability by periodic meta-ligand spacing in one-dimensional organic semiconductors
Ignacio Piquero-Zulaica, Aran Garcia-Lekue, Luciano Colazzo +7
Designing molecular organic semiconductors with distinct frontier orbitals is key for the development of devices with desirable properties. Generating defined organic nanostructure…
Keto-enol tautomerization drives the self-assembly of Leucoquinizarin on Au(111)
Roberto Costantini, Luciano Colazzo, Laura Batini +7
The self-assembly of Leucoquinizarin molecule on Au(111) surface is shown to be characterized by the molecules mostly in their keto-enolic tautomeric form, with evidences of their…
Probing the magnetism of topological end-states in 5-armchair graphene nanoribbons
James Lawrence, Pedro Brandimarte, Alejandro Berdonces +5
We extensively characterize the electronic structure of ultra-narrow graphene nanoribbons (GNRs) with armchair edges and zig-zag termini that have 5 carbon atoms across their width…
On-Surface Synthesis of Heptacene on Ag(001) from Brominated and Non-Brominated Tetrahydroheptacene Precursors
Luciano Colazzo, Mohammed S. G. Mohammed, Ruth Dorel +6
Achieving the Ag(001)-supported synthesis of heptacene from two related reactants reveals the effect of the presence of Br atoms on the reaction process. The properties of reactant…
Switching From Reactant to Substrate Engineering in the Selective Synthesis of Graphene Nanoribbons
Néstor Merino-Díez, Jorge Lobo-Checa, Pawel Nita +12
The challenge of synthesizing graphene nanoribbons (GNRs) with atomic precision is currently being pursued along a one-way road, based on the synthesis of adequate molecular precur…
Width-Dependent Band Gap in Armchair Graphene Nanoribbons Reveals Fermi Level Pinning on Au(111)
Néstor Merino-Díez, Aran Garcia-Lekue, Eduard Carbonell-Sanromà +7
We report on the energy level alignment evolution of valence and conduction bands of armchair-oriented graphene nanoribbons (aGNR) as their band gap shrinks with increasing width.…
Bottom-up fabrication of atomically precise graphene nanoribbons
Martina Corso, Eduard Carbonell-Sanromà, Dimas G. de Oteyza
Graphene nanoribbons (GNRs) make up an extremely interesting class of materials. On the one hand GNRs share many of the superlative properties of graphene, while on the other hand…
Π Band Dispersion along Conjugated Organic Nanowires Synthesized on a Metal Oxide Semiconductor
Guillaume Vasseur, Mikel Abadia, Luis A. Miccio +6
Surface confined dehalogenation reactions are versatile bottom-up approaches for the synthesis of carbon-based nanostructures with predefined chemical properties. However, for devi…
Tunable Band Alignment with Unperturbed Carrier Mobility of On-Surface Synthesized Organic Semiconducting Wires
Andrea Basagni, Guillaume Vasseur, Carlo A. Pignedoli +10
The tunable properties of molecular materials place them among the favorites for a variety of future generation devices. In addition, to maintain the current trend of miniaturizati…
Bottom-up Graphene Nanoribbon Field-Effect Transistors
Patrick B. Bennett, Zahra Pedramrazi, Ali Madani +6
Recently developed processes have enabled bottom-up chemical synthesis of graphene nanoribbons (GNRs) with precise atomic structure. These GNRs are ideal candidates for electronic…
Changes in adsorption heights upon self-assembly of bicomponent supramolecular networks
Elizabeth Goiri, Manfred Matena, Afaf El-Sayed +7
Codeposition of two molecular species [CuPc (donor) and PFP (acceptor)] on noble metal (111) surfaces leads to the self-assembly of an ordered mixed layer with maximized donor-acce…
Understanding Charge Transfer in Donor-Acceptor/Metal Systems: A Combined Theoretical and Experimental Study
J. L. Cabellos, D. J. Mowbray, E. Goiri +6
We develop an effective potential approach for assessing the flow of charge within a two-dimensional donor-acceptor/metal network based on core-level shifts. To do so, we perform b…