Size-Tunable Hexagonal Fullerene (C<sub>60</sub>) Nanosheets at the Liquid−Liquid Interface

Sathish, M.; Miyazawa, Kun’ichi

doi:10.1021/ja076251q

Cited by 186 publications

(137 citation statements)

References 11 publications

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“…This strategy has been used for shape-defined fullerene assembly as seen in the formation of fullerene nanowhiskers [60][61][62]. As shown in figure 5, interfacial precipitation of C 60 by the addition of poor solvents into C 60 saturated solutions provides various morphologies of 2D crystals of C 60 [63,64]. The results demonstrate controlled formation of 2D nanosheets of various shapes (hexagons, rhombi, and mixed polygons)-all from pristine C 60 molecules-by a very simple solvent treatment.…”

Section: Fullerene Assemblymentioning

confidence: 98%

Paradigm shift from self-assembly to commanded assembly of functional materials: recent examples in porphyrin/fullerene supramolecular systems

Ishihara

et al. 2012

Science and Technology of Advanced Materials

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Current nanotechnology based on top-down nanofabrication may encounter a variety of drawbacks in the near future so that development of alternative methods, including the so-called bottom-up approach, has attracted considerable attention. However, the bottom-up strategy, which often relies on spontaneous self-assembly, might be inefficient in the development of the requisite functional materials and systems. Therefore, assembly processes controlled by external stimuli might be a plausible strategy for the development of bottom-up nanotechnology. In this review, we demonstrate a paradigm shift from self-assembly to commanded assembly by describing several examples of assemblies of typical functional molecules, i.e. porphyrins and fullerenes. In the first section, we describe recent progress in the design and study of self-assembled and co-assembled supramolecular architectures of porphyrins and fullerenes. Then, we show examples of assembly induced by external stimuli. We emphasize the paradigm shift from self-assembly to commanded assembly by describing the recently developed electrochemical-coupling layer-by-layer (ECC-LbL) methodology.

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Section: Fullerene Assemblymentioning

confidence: 98%

Paradigm shift from self-assembly to commanded assembly of functional materials: recent examples in porphyrin/fullerene supramolecular systems

Ishihara

et al. 2012

Science and Technology of Advanced Materials

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“…Rather, whiskers are composed of many C 60 molecules bonded through a combination of van der Waals interactions and chemical bonds. Miyazawa et al have also extended this method to produce 2D hexagonal and polygonal shaped nanosheets 31,32 . Very recently, we extended this method to produce giant microcrystals with macropores at their surfaces and also succeeded in fabricating, for the first time, hexagonal-shaped crystalline fullerene with bimodal pore structures 33,34 .…”

Section: Nanostructured Crystalline Fullerenesmentioning

confidence: 99%

Self-Assembled Fullerene Nanostructures

Shrestha¹,

Shrestha²,

Hill³

et al. 2013

J. Oleo Sci.

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“…Using liquid-phase synthesis to obtain C 60 fine crystals following the method of liquid-liquid interface precipitation [13] and reprecipitation [14] is one of the simplest techniques. These techniques can transform the morphologies of C 60 fine crystals simply by changing the solvents used for recrystallizing the C 60 molecules [15,16]; however, multiple steps are required to fabricate nanocrystallized C 60 thin films and it is difficult to achieve precise control of nanostructures in a film state.…”

Section: Introductionmentioning

confidence: 99%

Morphology Control of Nanocrystallized C60 Thin Films Prepared by Poor Solvent Immersion

et al. 2018

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Nanocrystallized C 60 thin films of such as hexagonal, plate-like, and rod-like morphologies were recrystallized by poor solvent immersion, employing 1-propanol, 2-propanol, and butanol respectively. A C 60 thin film fabricated by evaporation was immersed in the poor solvent, partially dissolving the surface C 60 . This was followed by the solvent rapidly reaching a supersaturated state, resulting in the induced recrystallization of the C 60 . C 60 fine high-density crystals were successfully prepared using propanol, with crystal sizes varying between 84 and 141 nm by changing the immersion time. In addition, due to the 1-propanol recrystallizing solvated crystals which were formed through interactions between the solvent and the C 60 , uniform C 60 fine crystals were obtained by the formation of a large number of nucleation sites.

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Size-Tunable Hexagonal Fullerene (C₆₀) Nanosheets at the Liquid−Liquid Interface

Cited by 186 publications

References 11 publications

Paradigm shift from self-assembly to commanded assembly of functional materials: recent examples in porphyrin/fullerene supramolecular systems

Paradigm shift from self-assembly to commanded assembly of functional materials: recent examples in porphyrin/fullerene supramolecular systems

Self-Assembled Fullerene Nanostructures

Morphology Control of Nanocrystallized C60 Thin Films Prepared by Poor Solvent Immersion

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Size-Tunable Hexagonal Fullerene (C60) Nanosheets at the Liquid−Liquid Interface

Cited by 186 publications

References 11 publications

Paradigm shift from self-assembly to commanded assembly of functional materials: recent examples in porphyrin/fullerene supramolecular systems

Paradigm shift from self-assembly to commanded assembly of functional materials: recent examples in porphyrin/fullerene supramolecular systems

Self-Assembled Fullerene Nanostructures

Morphology Control of Nanocrystallized C60 Thin Films Prepared by Poor Solvent Immersion

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Size-Tunable Hexagonal Fullerene (C₆₀) Nanosheets at the Liquid−Liquid Interface