Hybrid Porous Nanomaterials

由一种以上类型的构件构成的复合材料可以表现出变革性、增材性和涌现性。这些属性不仅取决于组成成分，还取决于跨多个长度尺度的内部结构。这在处理纳米颗粒（NP）构建块时尤为重要，因为它们的显著特性本质上取决于尺寸、维度和相互排列。因此，自底向上组装纳米粒子构建块对于构建新材料是非常理想的。然而，由一种以上的纳米粒子构成的材料是罕见的，因为我们仍然缺乏连接和精确排列化学上不同的纳米级组分的通用方法。多孔材料对当前和未来的技术都至关重要——从催化和气体分离到药物输送或下一代电池。网状设计彻底改变了具有高度有序内部晶体结构的多孔材料的构造。然而，实际上不可能生产出具有多种内部结构的多孔材料，也不可能将多孔性与其他类型的构建块集成在一起。最近，多孔纳米颗粒出现了，这使我们可以考虑将多孔单元与其他纳米级构建块结合在一起的全新一类材料。该项目将把动态共价纳米粒子的概念——以前在伪球形金属核上开发的——扩展到多孔金属有机框架（MOF）纳米粒子。金属NPs和MOF NPs将被开发成具有互补的物理化学性质。On-NP物理有机研究将建立np结合反应的结构-反应性关系。由此产生的理解将被用于构建由纳米MOF和由特定动态分子连接剂连接的金属构建块组成的杂化材料。由此产生的材料将被赋予层次结构控制和自适应行为，这些行为是潜在的动态分子链接的特征。

Composite materials constructed from more than one type of building block can exhibit transformative, additive and emergent properties. Such properties depend not only on compositional makeup but also on internal structuring across multiple length-scales. This is particularly critical when working with nanoparticle (NP) building blocks, because their remarkable properties intrinsically depend on size, dimensionality and mutual arrangement. Therefore, the bottom-up assembly of nanoparticle building blocks is highly desirable for constructing new materials. Yet, materials constructed from more than one class of nanoparticle are rare, because we still lack general methods for interfacing and precisely arranging chemically distinct nanoscale components.Porous materials are critical for current and future technologies alike - from catalysis and gas separation to drug delivery or next-generation batteries. Reticular design has revolutionised the construction of porous materials with highly ordered internal crystal structures. Yet, it is virtually impossible to produce a porous material displaying more than one internal structure, or to integrate porosity with other types of building block. Recently, porous nanoparticles have emerged, which now allows us to consider a whole new class of materials that combine porous units with other nanoscale building blocks.This project will extend the concept of dynamic covalent nanoparticles - previously developed on pseudo-spherical metal cores - to porous metal-organic framework (MOF) NPs. Metal NPs and MOF NPs will be developed to have complementary physicochemical properties. On-NP physical-organic studies will establish structure-reactivity relationships for NP-bound reactions. The arising understanding will then be exploited to construct hybrid materials composed of nano-sized MOF and metal building blocks linked by specific dynamic molecular linkers. The resulting materials will be endowed with hierarchical structural control and adaptive behaviours that are characteristic of the underlying dynamic molecular links.