Department of Chemical Engineering and Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, 48109, USA.
Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering, Shanghai University of Electric Power, Shanghai, 200090, China.
Adv Mater. 2020 Oct;32(41):e1906738. doi: 10.1002/adma.201906738. Epub 2020 Jun 5.
The study of different chiral inorganic nanomaterials has been experiencing rapid growth during the past decade, with its primary focus on metals and semiconductors. Ceramic materials can substantially expand the range of mechanical, optical, chemical, electrical, magnetic, and biological properties of chiral nanostructures, further stimulating theoretical, synthetic, and applied research in this area. An ever-expanding toolbox of nanoscale engineering and self-organization provides a chirality-based methodology for engineering of hierarchically organized ceramic materials. However, fundamental discoveries and technological translations of chiral nanoceramics have received substantially smaller attention than counterparts from metals and semiconductors. Findings in this research area are scattered over a variety of sources and subfields. Here, the diversity of chemistries, geometries, and properties found in chiral ceramic nanostructures are summarized. They represent a compelling materials platform for realization of chirality transfer through multiple scales that can result in new forms of ceramic materials. Multiscale chiral geometries and the structural versatility of nanoceramics are complemented by their high chiroptical activity, enantioselectivity, catalytic activity, and biocompatibility. Future development in this field is likely to encompass chiral synthesis, biomedical applications, and optical/electronic devices. The implementation of computationally designed chiral nanoceramics for biomimetic catalysts and quantum information devices may also be expected.
在过去的十年中,不同手性无机纳米材料的研究得到了快速发展,其主要关注点是金属和半导体。陶瓷材料可以极大地扩展手性纳米结构的机械、光学、化学、电学、磁学和生物学性质的范围,进一步激发了该领域的理论、合成和应用研究。纳米级工程和自组织的工具包不断扩大,为工程手性陶瓷材料提供了基于手性的方法。然而,手性纳米陶瓷的基础发现和技术转化所受到的关注远远小于金属和半导体的对应物。该研究领域的发现分散在各种来源和子领域中。在这里,总结了手性陶瓷纳米结构中存在的化学、几何和性质的多样性。它们代表了一个引人注目的材料平台,通过多种尺度实现手性转移,从而产生新形式的陶瓷材料。纳米陶瓷的多尺度手性几何形状和结构多功能性与其高旋光活性、对映选择性、催化活性和生物相容性相辅相成。该领域的未来发展可能包括手性合成、生物医学应用和光学/电子器件。也有望在手性仿生催化剂和量子信息器件中实现计算设计的手性纳米陶瓷的应用。