Abstract
In this review, we briefly summarize the history of mesocrystal research. We introduce the current structural definition of mesocrystals and discuss the appropriate base for the classification of mesocrystals and their relations with other classes of solid state materials in terms of their structure. Building up on this, we comment on the problems in mesocrystal research both fundamental and methodological. Additionally, we make the short overview of the mesocrystal formation principles and synthetic routes used for their fabrications. As an outlook into the future, we highlight the most notable trends in mesocrystal research and developments.
Highlights
Introduction and Brief Historical RemarksAround 10 years ago the term mesocrystal (i.e., mesoscopically structured crystallineAround 10 years ago the term mesocrystal materials) was proposed to define superstructures of nanocrystals with a common crystallographic was proposed to define superstructures of nanocrystals with a common crystallographic orientation orientation [1,2,3,4]
The term mesocrystal was first proposed as an abbreviation for “mesoscopically structured
By means of electron holography it was demonstrated that the magnetite particles have a flux closure magnetic vortex holography it was demonstrated that the magnetite particles have a flux closure magnetic vortex structure (Figure 7c,d)
Summary
Around 10 years ago the term mesocrystal Since ,of based on the analysis of the structure, formation mechanism and properties nanocrystal superstructures, structure and formation principles of mesocrystaline materials of different origin (including mosaic crystals and other nanostructured materials have already been investigated fornatural several decades, biominerals and minerals as well as synthetic materials (Figure 3)), the classification of mesocrystals the dedicated and systematic research on mesocrystals (which are a special type of nanostructured has become clearly defined and their structural relations to other classes of solid state materials have materials)been onlyestablished started about. It is important to and their structural relations to other classes of solid state materials have been established [33,34] It mention, that the area of application has been explored and many successful examples for improved is very interesting tobynote that nature alsotoapplies mesocrystal in especially biominerals performance mesocrystals compared existing technology havestructures been reported, in the(Figure 3), highly competitive area of energy storage materials [42,43,44,45]. Research, including the description of their structural features, formation principles and several synthetic routes of fabrication, as well as some physical properties and related ways of application
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