Abstract
Nanoarchitectonics is a universal concept to fabricate functional materials from nanoscale building units. Based on this concept, fabrications of functional materials with hierarchical structural motifs from simple nano units of fullerenes (C60 and C70 molecules) are described in this review article. Because fullerenes can be regarded as simple and fundamental building blocks with mono-elemental and zero-dimensional natures, these demonstrations for hierarchical functional structures impress the high capability of the nanoarchitectonics approaches. In fact, various hierarchical structures such as cubes with nanorods, hole-in-cube assemblies, face-selectively etched assemblies, and microstructures with mesoporous frameworks are fabricated by easy fabrication protocols. The fabricated fullerene assemblies have been used for various applications including volatile organic compound sensing, microparticle catching, supercapacitors, and photoluminescence systems.
Highlights
Fullerene plays an important role to form such a crystalline framework via selfassembly, and transformation to the mesoporous framework can be achieved by a simple post-synthesis treatment, which leads to changes in its optical, charge storage mechanism
This review article summarized several examples focused on syntheses and function explorations of fullerene assemblies with hierarchical and asymmetric structural features
Process-integrated features in nanoarchitectonics approaches are advantageous for the preparation of hierarchical functional structures
Summary
In order to achieve more effective and versatile developments of materials exploration with nanoscale structural features, a unified methodology must be established as a post-nanotechnology concept This task can be assigned as an emerging concept, nanoarchitectonics [84,85], Hierarchical Fullerene Nanomaterials. Function rials through combinations and selections of building units as and processes including rial systems are prepared from nanoscale units such atoms, molecules, and nan atom/molecular manipulation, chemical transformation, self-assembly/self-organization, als through combinations and selections of building units and processes in field-controlled organization, material processing, and bio-related treatments [93]. It can be said that the nanoarchitectonics approaches are advantageous for the constraction of hierarchical materials structures Based on these backgrounds, fabrications of functional materials with hierarchical structural motifs from simple nano units of fullerenes (C60 and C70 molecules) are described in this review article. (iii) fullerene microstructure with a mesoporous framework for advanced functions
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