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    Área de la Ciencia:

    • Ciencias de los materiales
    • Química
    • Nanotecnología

    Sus antecedentes:

    • Las estructuras metal-orgánicas (MOF) ofrecen porosidad y funcionalidad ajustables.
    • La síntesis actual de MOF a menudo produce una diversidad y complejidad estructurales limitadas.
    • El control de la heterogeneidad de composición dentro de los MOF sigue siendo un desafío importante.

    Objetivo del estudio:

    • Introducir los bloques de construcción de dominio (DBB) para el diseño de MOF.
    • Desarrollar una estrategia para la creación de MOFs multivariados y estratificados.
    • Investigar los efectos del intercambio de enlaces y proponer estrategias de mitigación en los SMOF.

    Principales métodos:

    • Conceptualización y aplicación del enfoque DBB.
    • Síntesis de las partículas sMOF de UiO-67 con DBB concéntricos.
    • Modificación posintética y caracterización de las estructuras de sMOF.
    • Preparación de materiales compuestos de nanopartículas sMOF.

    Principales resultados:

    • Demostró que un pequeño conjunto de bloques de construcción moleculares puede generar una vasta biblioteca de MOF multivariados a través de DBB.
    • Se han construido con éxito sMOF de UiO-67 con múltiples DBB concéntricos.
    • Efectos perjudiciales identificados del intercambio de enlaces sobre la integridad del DBB y estrategias de mitigación eficaces propuestas.
    • Demostró la capacidad de abordar y manipular selectivamente estratos individuales dentro de los sMOF.
    • Compuestos fabricados de nanopartículas sMOF, que resaltan la versatilidad del enfoque sintético.

    Conclusiones:

    • El enfoque DBB es una estrategia poderosa para mejorar la diversidad y la complejidad de MOF.
    • Los sMOF de UiO-67 pueden ser diseñados con precisión con secuencias y composiciones controladas de DBB.
    • La modificación post-sintética de los estratos individuales es factible, permitiendo funcionalidades a medida.
    • Los métodos desarrollados ofrecen vías versátiles para crear materiales y compuestos MOF avanzados.