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We introduce a comprehensive nanoarchitectonics approach for constructing metal–organic framework on fullerene (MOFOF) hybrids with diverse dimensionalities spanning 0D nanospheres, 1D nanorods and nanotubes, 2D sheets, and 3D cubic assemblies, and demonstrate their potential for electrocatalyst development through the pyrolysis of a selected hybrid. Through a sequential layer-by-layer (or, step-by-step) growth of a typical MOF (ZIF-67) on self-assembled fullerene supports, we generated a family of MOFOF nanostructures with diverse morphologies. Subsequent high-temperature carbonization and ammonia-assisted nitrogen doping are expected to transform these MOFOF precursors into hierarchical nitrogen-doped Co/C electrocatalysts featuring well-defined Co–Nx active sites embedded within graphitized carbon frameworks. The superior performance arises from the synergistic integration of Co-supported active sites and protective graphitic carbon shells.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: MOF, fullerene, layer-by-layer, hierarchical nanostructure, acidic ORR, durability

Date published: 2026-05-27

Publisher: American Chemical Society (ACS)

Journal:

• ACS Applied Materials & Interfaces (ISSN: 19448244) vol. 18 issue. 20 p. 28717-28727

Funding:

• Japan Society for the Promotion of Science JP23H05459
• Japan Society for the Promotion of Science JP25H00898

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1021/acsami.6c03512

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Updated at: 2026-05-29 09:44:42 +0900

Published on MDR: 2026-05-29 12:57:04 +0900