Electronic and magnetic structures of coronene-based graphitic nanoribbons

Literature Information

Publication Date 2013-12-16
DOI 10.1039/C3CP54496F
Impact Factor 3.676
Authors

Aldilene Saraiva-Souza, Zachary Bullard, Dayvison Weber Maia, Antônio Gomes Souza Filho, Eduardo Costa Girão


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Abstract

We study the electronic properties of a series of coronene-derived graphitic nanoribbons recently synthesized in a pre-programmed, nanotube assisted, chemical route [Talyzin et al. Nano Lett., 2011, 11, 4352 and Fujihara et al. J. Phys. Chem. C, 2012, 116, 15141]. We employ a combination of density functional theory and spin-polarized tight-binding methods to show how details of the molecular building blocks and their assembly uniquely determine the electronic structure of the resulting ribbon. We demonstrate the onset of multiple magnetic states for these systems and a non-trivial dependence of the electronic bandgap with both atomic structure and spin configuration, which make these coronene-based ribbons potential candidates for applications in nanoelectronics.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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