Purification of C60 and C70 by selective complexation with calixarenes

Atwood, Jerry L.; Koutsantonis, George A.; Raston, Colin L.

doi:10.1038/368229a0

Cited by 612 publications

(442 citation statements)

References 18 publications

Supporting

Mentioning

415

Contrasting

Unclassified

Order By: Relevance

“…Thus, for 1:12 cage:fullerene extract molar ratios, mass spectra affords C 60 C4/C 70 C 4 and C 70 C4/C 84 C 4 ratios of 0. 18 Supplementary Fig. 12).…”

Section: Article Nature Communications | Doi: 101038/ncomms6557mentioning

confidence: 99%

“…Host platforms containing extended p-systems have been designed because of their affinity towards the sphere-like unsaturated structure of fullerenes. In this line, several covalent or supramolecular approaches pursued include: (a) macrocyclic arene-based receptors [18][19][20][21][22][23][24] , (b) macrocyclic structures containing aromatic heterocycles [25][26][27][28] , (c) p-extended TTF receptors [29][30][31][32][33] and (d) macrocyclic or jawlike structures containing porphyrin moieties 17,[34][35][36][37][38][39][40][41][42][43][44][45] . Interestingly, Fujita and co-workers reported the use of the empty channels of a metal-organic framework (MOF) for encapsulating fullerenes upon soaking MOF crystals in fullerene-containing toluene.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Sponge-like molecular cage for purification of fullerenes

et al. 2014

View full text Add to dashboard Cite

Since fullerenes are available in macroscopic quantities from fullerene soot, large efforts have been geared toward designing efficient strategies to obtain highly pure fullerenes, which can be subsequently applied in multiple research fields. Here we present a supramolecular nanocage synthesized by metal-directed self-assembly, which encapsulates fullerenes of different sizes. Direct experimental evidence is provided for the 1:1 encapsulation of C 60 , C 70 , C 76 , C 78 and C 84 , and solid state structures for the host-guest adducts with C 60 and C 70 have been obtained using X-ray synchrotron radiation. Furthermore, we design a washingbased strategy to exclusively extract pure C 60 from a solid sample of cage charged with a mixture of fullerenes. These results showcase an attractive methodology to selectively extract C 60 from fullerene mixtures, providing a platform to design tuned cages for selective extraction of higher fullerenes. The solid-phase fullerene encapsulation and liberation represent a twist in host-guest chemistry for molecular nanocage structures.

show abstract

“…Thus, for 1:12 cage:fullerene extract molar ratios, mass spectra affords C 60 C4/C 70 C 4 and C 70 C4/C 84 C 4 ratios of 0. 18 Supplementary Fig. 12).…”

Section: Article Nature Communications | Doi: 101038/ncomms6557mentioning

confidence: 99%

mentioning

confidence: 99%

Sponge-like molecular cage for purification of fullerenes

et al. 2014

View full text Add to dashboard Cite

show abstract

“…Fullerenes are typically synthesized as a mixture of sizes, however, owing to their solubility in common organic solvents 115 (e.g., toluene, CS 2 , ortho-dichlorobenzene), the separation of pure C 60 can be performed simply on the lab scale through chelation, 125 chromatography, or sublimation, and high yield industrial scale purifications are wellestablished. 126,127 Despite considerable progress toward product control and batch repeatability, there is still significant variation in the structures, morphologies, and properties of the other carbon nanomaterials between synthesis routes (and thus nanocarbon suppliers).…”

Section: Starting Materialsmentioning

confidence: 99%

Charged Carbon Nanomaterials: Redox Chemistries of Fullerenes, Carbon Nanotubes, and Graphenes

et al. 2018

View full text Add to dashboard Cite

Since the discovery of buckminsterfullerene over 30 years ago, sp 2 -hybridised carbon nanomaterials (including fullerenes, carbon nanotubes, and graphene) have stimulated new science and technology across a huge range of fields. Despite the impressive intrinsic properties, challenges in processing and chemical modification continue to hinder applications. Charged carbon nanomaterials (CCNs), formed via the reduction or oxidation of these carbon nanomaterials, facilitate dissolution, purification, separation, chemical modification, and assembly. This approach provides a compelling alternative to traditional damaging and restrictive liquid phase exfoliation routes. The broad chemistry of CCNs not only provides a versatile and potent means to modify the properties of the parent nanomaterial but also raises interesting scientific issues. This review focuses on the fundamental structural forms: buckminsterfullerene, single-walled carbon nanotubes, and single-layer graphene, describing the generation of their respective charged nanocarbon species, their interactions with solvents, chemical reactivity, specific (opto)electronic properties, and emerging applications. CONTENTS

show abstract

“…To make a water-soluble fullerene was one of the great challenges in fullerene chemistry and scientific interest in the potential applications of these fascinating molecules [3] in the biochemical, biophysical and biological field. There were some introductions to make fullerene derivatives that were soluble in aqueous condition [4][5][6][7][8][9][10][11][12]. While a number of fullerene derivatives have been prepared for such a purpose, most of them have been of only poor aqueous solubility, the results of that have limited application in chemical reactions.…”

Section: Introductionmentioning

confidence: 99%

Formation of Water-Soluble Fullerenes [C60,C70] under Ultrasonication and Antioxidant Effect

Jeong

Hwang

2017

Eurasian Chem. Tech. J.

View full text Add to dashboard Cite

The water-soluble fullerenes [C 60 , C 70 ] are prepared with fullerenes [C 60 , C 70 ] and a mixture of oxidants (v/v) at the ratio of 3:1 under ultrasonic condition at room temperature. The MALDI-TOF MS confirmed that the water-soluble compounds were C 60 and C 70 . The antioxidant effect of water-soluble fullerenes [C 60 , C 70 ] in the PC 12 cells (Rat pheochromocytoma) line following exposure to hydrogen peroxide (H 2 O 2 ) was investigated.

show abstract

Purification of C60 and C70 by selective complexation with calixarenes

Cited by 612 publications

References 18 publications

Sponge-like molecular cage for purification of fullerenes

Sponge-like molecular cage for purification of fullerenes

Charged Carbon Nanomaterials: Redox Chemistries of Fullerenes, Carbon Nanotubes, and Graphenes

Formation of Water-Soluble Fullerenes [C60,C70] under Ultrasonication and Antioxidant Effect

Contact Info

Product

Resources

About