Hydrogen-bonded organic framework-derived, flower-on-fiber-like, carbon nanofiber electrodes for supercapacitors

Mun, Woo Jin; Kim, Bomi; Moon, Seung Jae; Kim, Jong Hak

doi:10.1039/d3ta06722j

Cited by 10 publications

(1 citation statement)

References 63 publications

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“…The brittleness of carbonized nanofiber (CNF) prevents it from being measured for mechanical strength. 36 By incorporating graphene on the surface of the CNF, the mechanical strength and flexibility of the electrode increase. Further, with the uniform growth of c-MOF on GNF, the tensile strength increases because the c-MOF provides additional structural support and reinforcement to the GNF.…”

Section: Resultsmentioning

confidence: 99%

Free-standing metal–organic frameworks on electrospun core–shell graphene nanofibers for flexible hybrid supercapacitors

Hussain,

Abbas,

Nabeela

et al. 2024

J. Mater. Chem. A

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Section: Resultsmentioning

confidence: 99%

Free-standing metal–organic frameworks on electrospun core–shell graphene nanofibers for flexible hybrid supercapacitors

Hussain,

Abbas,

Nabeela

et al. 2024

J. Mater. Chem. A

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Synergistic Modulation of π–π* and n–π* Transitions by In Situ Phenol‐Like Structure Integration for Efficiently Wide‐Spectrum Hydrogen Production of Ultrathin Carbon Nitride

Li,

Chen,

Chu

et al. 2024

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Abstract2D carbon nitride nanosheets, exemplified by g‐C3N4, offers significant structural benefits and enhanced photocatalytic activity. Nonetheless, the quantum confinement effect prevalent in nanoscale photocatalysts would result in an enlarged bandgap, potentially restricting the spectral absorption range and impeding improvements in photocatalytic efficiency. Here, a high‐performance 2D photocatalyst with an extended spectral response is achieved by incorporating a novel phenol‐like structure into the conjugated framework of ultrathin g‐C3N4 nanosheet. This novel strategy features targeted pyrimidine doping to create a conjugated carbon zone in heptazine structure, offering a thermodynamically favorable pathway for hydroxyl functionalization during the annealing exfoliation process. Consequently, the π–π* transition energy in the material is significantly decreased, and the active lone pair electrons in phenol‐like structure induces a new n–π* transition with notably enhanced absorption from 500 to 650 nm. The optimized material shows a dramatic enhancement in photocatalytic activity, achieving ≈72 times than the activity of bulk g‐C3N4, and demonstrating a measurable H2 production rate of 6.57 µmol g−1 h−1 under 650 nm light. This study represents a significant step forward in the strategic design of 2D photocatalysts, with tailored electronic structures that significantly boost light absorption and photocatalytic efficiency.

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Polymerized lignin based carbon nanofiber for high-performance energy generator and storage

Zheng,

Cao,

et al. 2024

Chemical Engineering Journal

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Hydrogen-bonded organic framework-derived, flower-on-fiber-like, carbon nanofiber electrodes for supercapacitors

Abstract: Hydrogen-bonded organic frameworks (HOFs) are a new type of porous material and have great potential as electrode material precursors because of their high porosity.

Cited by 10 publications

References 63 publications

Free-standing metal–organic frameworks on electrospun core–shell graphene nanofibers for flexible hybrid supercapacitors

Free-standing metal–organic frameworks on electrospun core–shell graphene nanofibers for flexible hybrid supercapacitors

Synergistic Modulation of π–π* and n–π* Transitions by In Situ Phenol‐Like Structure Integration for Efficiently Wide‐Spectrum Hydrogen Production of Ultrathin Carbon Nitride

Polymerized lignin based carbon nanofiber for high-performance energy generator and storage

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