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| Título: | Tunable band alignment with unperturbed carrier mobility of on-surface synthesized organic semiconducting wires |
Autor: | Vasseur, Guillaume CSIC; Vitali, Lucia CSIC ORCID; Lobo-Checa, Jorge CSIC ORCID ; Oteyza, Dimas G. de CSIC ORCID; Sedona, Francesco; Ortega, J. Enrique CSIC ORCID | Palabras clave: | Pyridinic functionalization Poly(para-phenylene) Band structure Doping On-surface synthesis |
Fecha de publicación: | 2016 | Editor: | American Chemical Society | Citación: | ACS Nano 10(2): 2644-2651 (2016) | Resumen: | 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 miniaturization of those devices, a departure from the present top-down production methods may soon be required and self-assembly appears among the most promising alternatives. On-surface synthesis unites the promises of molecular materials and of self-assembly, with the sturdiness of covalently bonded structures: An ideal scenario for future applications. Following this idea, we report the synthesis of functional extended nanowires by self-assembly. In particular, the products correspond to one-dimensional organic semiconductors. The uniaxial alignment provided by our substrate templates allows us to access with exquisite detail their electronic properties, including the full valence band dispersion, by combining local probes with spatial averaging techniques. We show how, by selectively doping the molecular precursors, the product's energy level alignment can be tuned without compromising the charge carrier's mobility. | Descripción: | This is an open access article published under an ACS AuthorChoice License.-- et al. | Versión del editor: | http://dx.doi.org/10.1021/acsnano.5b07683 | URI: | http://hdl.handle.net/10261/136746 | DOI: | 10.1021/acsnano.5b07683 | Identificadores: | doi: 10.1021/acsnano.5b07683 e-issn: 1936-086X issn: 1936-0851 |
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| Tunable Band Alignment.pdf | 3,39 MB | Adobe PDF |  Visualizar/Abrir |
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