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首页> 外文期刊>MRS bulletin >Biomimetic Mineralization/Synthesis of Mesoscale Order in Hybrid Inorganic-Organic Materials via Nanoparticle Self-Assembly
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Biomimetic Mineralization/Synthesis of Mesoscale Order in Hybrid Inorganic-Organic Materials via Nanoparticle Self-Assembly

机译：纳米粒子自组装在无机无机杂化材料中仿生矿化/中尺度级合成

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摘要

The organization of nanostructures across several length scales by self-assembly is a key challenge in the design of advanced materials. In meeting this challenge, materials scientists can learn much from biomineralization processes in nature. These processes result in hybrid inorganic-organic materials with exquisite and optimized properties, complex forms, and hierarchical order over extended length scales. Biominerals are usually produced in the presence of an insoluble organic template as well as soluble molecules, which control inorganic crystallization, growth, and self-assembly. These processes can be mimicked successfully, resulting in inorganic-organic hybrid materials with complex form and mesoscale order via a nanoparticle self-assembly process. Various strategies can be applied, including the balancing of aggregation and crystallization, transforming and reorganizing of pre-formed nanoparticle building blocks, and face-selective coding of nanoparticle surfaces by additives for controlled self-assembly. The underlying principles of biomimetic mineralization will be described, along with selected examples showing that while much has already been achieved, the perfection of natural systems is still out of reach.
机译：通过自组装在多个长度尺度上组织纳米结构是高级材料设计中的关键挑战。为了应对这一挑战，材料科学家可以从自然界中的生物矿化过程中学到很多东西。这些过程导致混合的无机-有机材料具有出色的性能和优化的特性，复杂的形式以及在扩展长度范围内的等级顺序。生物矿物质通常是在不溶性有机模板以及可溶分子的存在下生产的，所述可溶分子控制着无机结晶，生长和自组装。这些过程可以成功地模仿，通过纳米粒子自组装过程产生具有复杂形式和中尺度次序的无机-有机杂化材料。可以应用各种策略，包括聚集和结晶的平衡，预先形成的纳米粒子构造块的转化和重组，以及通过添加剂进行表面选择性编码以控制自组装的纳米粒子表面。将描述仿生矿化的基本原理，以及一些选定的例子，这些例子表明虽然已经取得了很多成就，但是自然系统的完善仍然遥不可及。

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