Articles producció científica> Química Física i Inorgànica

Exploring the self-assembly of dumbbell-shaped polyoxometalate hybrids, from molecular building units to nanostructured soft materials

  • Dades identificatives

    Identificador: imarina:9138836
    Autors:
    Centellas MSPiot MSalles RProust ATortech LBrouri DHupin SAbécassis BLandy DBo CIzzet G
    Resum:
    © The Royal Society of Chemistry. The formation of hierarchical nanostructures using preformed dumbbell-like species made of covalent organic-inorganic polyoxometalate (POM)-based hybrids is herein described. In this system, the presence of charged subunits (POM, metal linkers, and counter ions) in the complex molecular architecture can drive their aggregation, which results from a competition between the solvation energy of the discrete species and intermolecular electrostatic interactions. We show that the nature of the POM and the charge of the metal linker are key parameters for the hierarchical nanoorganization. The experimental findings were corroborated with a computational investigation combining DFT and molecular dynamics simulation methods, which outlines the importance of solvation of the counter ion and POM/counter ion association in the aggregation process. The dumbbell-like species can also form gels, in the presence of a poorer solvent, displaying similar nanoorganization of the aggregates. We show that starting from the designed molecular building units whose internal charges can be controlled by redox trigger we can achieve their implementation into soft nanostructured materials through the control of their supramolecular organization.
  • Altres:

    Autor segons l'article: Centellas MS; Piot M; Salles R; Proust A; Tortech L; Brouri D; Hupin S; Abécassis B; Landy D; Bo C; Izzet G
    Departament: Química Física i Inorgànica
    Autor/s de la URV: Bo Jané, Carles
    Resum: © The Royal Society of Chemistry. The formation of hierarchical nanostructures using preformed dumbbell-like species made of covalent organic-inorganic polyoxometalate (POM)-based hybrids is herein described. In this system, the presence of charged subunits (POM, metal linkers, and counter ions) in the complex molecular architecture can drive their aggregation, which results from a competition between the solvation energy of the discrete species and intermolecular electrostatic interactions. We show that the nature of the POM and the charge of the metal linker are key parameters for the hierarchical nanoorganization. The experimental findings were corroborated with a computational investigation combining DFT and molecular dynamics simulation methods, which outlines the importance of solvation of the counter ion and POM/counter ion association in the aggregation process. The dumbbell-like species can also form gels, in the presence of a poorer solvent, displaying similar nanoorganization of the aggregates. We show that starting from the designed molecular building units whose internal charges can be controlled by redox trigger we can achieve their implementation into soft nanostructured materials through the control of their supramolecular organization.
    Àrees temàtiques: Química Materiais Interdisciplinar General chemistry Farmacia Ciências biológicas iii Ciências biológicas i Chemistry, multidisciplinary Chemistry (miscellaneous) Chemistry (all) Astronomia / física
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    Adreça de correu electrònic de l'autor: carles.bo@urv.cat
    Identificador de l'autor: 0000-0001-9581-2922
    Data d'alta del registre: 2023-02-19
    Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
    Enllaç font original: https://pubs.rsc.org/en/content/articlelanding/2020/sc/d0sc03243c
    Referència a l'article segons font original: Chemical Science. 11 (40): 11072-11080
    Referència de l'ítem segons les normes APA: Centellas MS; Piot M; Salles R; Proust A; Tortech L; Brouri D; Hupin S; Abécassis B; Landy D; Bo C; Izzet G (2020). Exploring the self-assembly of dumbbell-shaped polyoxometalate hybrids, from molecular building units to nanostructured soft materials. Chemical Science, 11(40), 11072-11080. DOI: 10.1039/d0sc03243c
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    DOI de l'article: 10.1039/d0sc03243c
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2020
    Tipus de publicació: Journal Publications
  • Paraules clau:

    Chemistry (Miscellaneous),Chemistry, Multidisciplinary
    Química
    Materiais
    Interdisciplinar
    General chemistry
    Farmacia
    Ciências biológicas iii
    Ciências biológicas i
    Chemistry, multidisciplinary
    Chemistry (miscellaneous)
    Chemistry (all)
    Astronomia / física
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