Unraveling the electronic structure of narrow atomically-precise chiral graphene nanoribbons

Abstract

Recent advances in graphene nanoribbon-based research have demonstrated the controlled synthesis of chiral graphene nanoribbons (cGNR) with atomic precision using strategies of on-surface chemistry. However their electronic characterization, including typical figures of merit like band gap or frontier bands effective masses, has not yet been reported. In this work, we provide a detailed characterization of (3,1)-cGNRs on Au(111). The structure and epitaxy, as well as the electronic band structure of the ribbons, are analyzed by means of scanning tunneling microscopy and spectroscopy, angle resolved photoemission and density functional theory.

References in corpus (8)

• On-surface synthesis of graphene nanoribbons with zigzag edge topology
• Giant edge state splitting at atomically precise zigzag edges
• Width-Dependent Band Gap in Armchair Graphene Nanoribbons Reveals Fermi Level Pinning on Au(111)
• Armchair graphene nanoribbons: Electronic structure and electric field modulation
• Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons
• Principles and simulations of high-resolution STM imaging with flexible tip apex
• Electronic Band Dispersion of Graphene Nanoribbons via Fourier-Transformed Scanning Tunneling Spectroscopy
• Edge magnetization and local density of states in chiral nanoribbons

Cited by in corpus (18)

• Width-Dependent Band Gap in Armchair Graphene Nanoribbons Reveals Fermi Level Pinning on Au(111)
• Single Spin Localization and Manipulation in Graphene Open-Shell Nanostructures
• Topological phase transition in chiral graphene nanoribbons: from edge bands to end states
• Coupled spin states in armchair graphene nanoribbons with asymmetric zigzag edge extensions
• Magnetic Interactions Between Radical Pairs in Chiral Graphene Nanoribbons
• Circumventing the Stability Problems of Graphene Nanoribbon Zigzag Edges
• Electrically addressing the spin of a magnetic porphyrin through covalently connected graphene electrodes
• Detecting the spin-polarization of edge states in graphene nanoribbons
• Electronic Properties of Substitutionally Boron-doped Graphene Nanoribbons on a Au(111) Surface
• Engineered electronic states in atomically precise artificial lattices and graphene nanoribbons
• Switching From Reactant to Substrate Engineering in the Selective Synthesis of Graphene Nanoribbons
• Band Depopulation of Graphene Nanoribbons Induced by Chemical Gating with Amino Groups
• Transferring Axial Molecular Chirality Through a Sequence of On-Surface Reactions
• On-Surface Synthesis of Graphene Nanoribbons on Two-Dimensional Rare Earth-Gold Intermetallic Compounds
• Tunable Current Rectification Through a Designer Graphene Nanoribbon
• Band structure and energy level alignment of chiral graphene nanoribbons on silver surfaces
• Systematic Modulation of Charge and Spin in Graphene Nanoribbons on MgO
• Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet