Striking Increase in Hole Mobility upon Metal Coordination to Triphenylene Schiff Base Semiconducting Multicolumnar Mesophases
| Autor: | Jesús Etxebarria, César L. Folcia, Silverio Coco, Josu Ortega, Attilio Golemme, Pablo Espinet, Estela de Domingo, Roberto Termine |
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| Rok vydání: | 2020 |
| Předmět: |
Electron mobility
Molecular interactions Schiff base 010405 organic chemistry Chemistry Triphenylene chemistry.chemical_element Mesophase 010402 general chemistry 01 natural sciences Copper 0104 chemical sciences Inorganic Chemistry Metal chemistry.chemical_compound Nickel visual_art Polymer chemistry visual_art.visual_art_medium Physical and Theoretical Chemistry |
| Zdroj: | UVaDOC. Repositorio Documental de la Universidad de Valladolid Consejo Superior de Investigaciones Científicas (CSIC) |
| ISSN: | 1520-510X 2017-8921 |
| Popis: | Producción Científica This paper reports the synthesis, liquid-crystal behavior, and charge-transport properties in the mesophase of triphenylene Schiff bases and their copper(II), nickel(II), and oxovanadium(IV) complexes. The thermal and electronic properties of the Schiff bases are modulated by coordination to the corresponding metal moieties, which have the ability to self-assemble into linear structures and help the alignment of the triphenylene columns. This produces two kinds of electronically nonconnected columnar regions, one purely organic and one more inorganic. The most remarkable effect is a striking charge mobility enhancement in the metal-containing mesophases, due to the contribution of the more inorganic columns: in comparison to values of hole mobility along the columnar stacking for the purely organic columnar mesophases, on the order of 10–7 cm2 V–1 s–1, these values jump to 1–10 cm2 V–1 s–1 in these hybrid inorganic/organic columnar materials. Ministerio de Ciencia, Innovación y Universidades (Project CTQ2017-89217-P) Junta de Castilla y León (Project VA038G18) Universidad del País Vasco / EHU (ProjectGIU18/146) |
| Databáze: | OpenAIRE |
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