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Título: | Tailored Formation of N-Doped Nanoarchitectures by Diffusion-Controlled on-Surface (Cyclo)Dehydrogenation of Heteroaromatics |
Autor: | Pinardi, Anna Lisa CSIC; Otero, Gonzalo CSIC ORCID; Palacio, Irene CSIC ORCID; Martínez, José I. CSIC ORCID ; Sánchez-Sánchez, Carlos CSIC ORCID ; Tello Ruiz, Marta CSIC; Rogero, Celia CSIC ORCID; Cossaro, Albano; Preobrajenski, Alexei; Gómez-Lor, Berta CSIC ORCID; Jancarik, Andrej; Stará̈, Irena G.; Starý, Ivo; López, María Francisca CSIC ORCID ; Méndez, Javier CSIC ORCID; Martín-Gago, José A. CSIC ORCID | Palabras clave: | Bottom-up assembling Heteroaromatic polymer N-doped nanographene STM Surface diffusion Surface-assisted dehydrogenation |
Fecha de publicación: | 2013 | Editor: | American Chemical Society | Citación: | ACS Nano 7(4): 3676-3684 (2013) | Resumen: | Surface-assisted cyclodehydrogenation and dehydrogenative polymerization of polycyclic (hetero)aromatic hydrocarbons (PAH) are among the most important strategies for bottom-up assembly of new nanostructures from their molecular building blocks. Although diverse compounds have been formed in recent years using this methodology, a limited knowledge on the molecular machinery operating at the nanoscale has prevented a rational control of the reaction outcome. We show that the strength of the PAH–substrate interaction rules the competitive reaction pathways (cyclodehydrogenation versus dehydrogenative polymerization). By controlling the diffusion of N-heteroaromatic precursors, the on-surface dehydrogenation can lead to monomolecular triazafullerenes and diazahexabenzocoronenes (N-doped nanographene), to N-doped oligomeric or polymeric networks, or to carbonaceous monolayers. Governing the on-surface dehydrogenation process is a step forward toward the tailored fabrication of molecular 2D nanoarchitectures distinct from graphene and exhibiting new properties of fundamental and technological interest. | Versión del editor: | http://dx.doi.org/10.1021/nn400690e | URI: | http://hdl.handle.net/10261/168288 | DOI: | 10.1021/nn400690e | ISSN: | 1936-0851 | E-ISSN: | 1936-086X |
Aparece en las colecciones: | (ICMM) Artículos (CAB) Artículos (CFM) Artículos |
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