Selective recognition and enrichment of C<sub>70</sub> over C<sub>60</sub> using an anthracene-based nanotube

Nian, Hao; Wang, Song-Meng; Wang, Yan-Fang; Zheng, Yu-Tao; Zheng, Li-Shuo; Wang, Xiaoping; Yang, Liu-Pan; Jiang, Wei; Cao, Liping

doi:10.1039/d4sc02814g

Chem. Sci.

2024

DOI: 10.1039/d4sc02814g

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Selective recognition and enrichment of C₇₀ over C₆₀ using an anthracene-based nanotube

Hao Nian,

Song-Meng Wang,

Yan-Fang Wang

et al.

Abstract: Selective recognition and enrichment of fullerenes (e.g., C60 and C70) remains challenging due to the same diameter and geometrical similarity. Herein, we report a hexagonal anthracene-based nanotube (1) through one-pot...

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Cited by 4 publications

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Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C₆₀

Xu,

Chen,

Huang

2024

Macromolecules

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The structures and functions of covalent organic frameworks (COFs) can be precisely tuned via manipulation of reticular chemistry. COFs have been widely utilized as a multifunctional porous material owing to their uniform pore size, designable pore environment, and high surface area. In this work, a series of two-dimensional (2D) perylene-based microporous COFs, named TFPP-TAPP-COF, TFPP-TAPE-COF, and TFPP-CoTPAP-COF, were developed based on the C 4 + C 4 topological diagram. These COFs exhibit excellent crystallinity, high surface area, and strong robustness against various organic solvents, moisture, and strong acid and base aqueous solutions. Owing to the electron-donating nature of perylene units, these COFs can have strong host−guest interaction with the electron-accepting fullerenes. It is noteworthy that all three perylene-based COFs exhibited exceptional capacity and high efficiency for fullerene capture. In addition, TFPP-TAPE-COF has a higher adsorption selectivity of C 60 over C 70 due to its appropriate pore size, which allows selective extraction of C 60 from C 60 and C 70 mixtures. These results illustrate that these perylene-based 2D COFs can serve as a powerful custom-built platform for the enrichment, extraction, and separation of fullerenes.

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Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C₆₀

Xu,

Chen,

Huang

2024

Macromolecules

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Self-Assembled Triangular Prismatic Cages with Kinetic Inertness

Tang,

Feng,

et al. 2024

Org. Lett.

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Two triangular prismatic cages were synthesized by combining a trishydrazide and two bisformyl precursors in strongly acidic water, where the dynamic nature of hydrazone was turned ON. An anionic guest was used as the template to drive the cage formation. Performing counterion exchange removed both the template and the Brønsted acid. The removal of the latter afforded the cages' kinetic inertness by turning OFF the reversibility of hydrazone. The cages can thus be used for recognizing various guests in water without observable degradation, driven by the hydrophobic effect. Upon being accommodated within the cage cavities, an anthracene derivative was protected from UV-stimulated oxidation, which would occur otherwise in the bulk solution without the protection from the host.

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Highly selective recognition of fluoride using a trapezoidal cage

Wu,

Mao,

Ruan

et al. 2024

Org. Biomol. Chem.

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Selective recognition and enrichment of C₇₀ over C₆₀ using an anthracene-based nanotube

Abstract: Selective recognition and enrichment of fullerenes (e.g., C60 and C70) remains challenging due to the same diameter and geometrical similarity. Herein, we report a hexagonal anthracene-based nanotube (1) through one-pot...

Cited by 4 publications

References 49 publications

Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C₆₀

Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C₆₀

Self-Assembled Triangular Prismatic Cages with Kinetic Inertness

Highly selective recognition of fluoride using a trapezoidal cage

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Product

Resources

About

Selective recognition and enrichment of C70 over C60 using an anthracene-based nanotube

Abstract: Selective recognition and enrichment of fullerenes (e.g., C60 and C70) remains challenging due to the same diameter and geometrical similarity. Herein, we report a hexagonal anthracene-based nanotube (1) through one-pot...

Cited by 4 publications

References 49 publications

Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C60

Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C60

Self-Assembled Triangular Prismatic Cages with Kinetic Inertness

Highly selective recognition of fluoride using a trapezoidal cage

Contact Info

Product

Resources

About

Selective recognition and enrichment of C₇₀ over C₆₀ using an anthracene-based nanotube

Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C₆₀

Perylene-Based 2D Covalent Organic Frameworks for Selective Adsorption and Extraction of C₆₀