# Synthesis of helical carbon nanofiber for greenhouse gas fixation and mechanistic insight into CO driven carbon formation

https://mdr.nims.go.jp/datasets/5d272be6-e45b-42a8-acb0-8e7d6e54c247

## File

- [JCOU CNF.pdf](https://mdr.nims.go.jp/filesets/868964a5-4cc2-47f1-aab8-735ffe47b14b/download) ([Detail](https://mdr.nims.go.jp/filesets/868964a5-4cc2-47f1-aab8-735ffe47b14b.md))

## Id

5d272be6-e45b-42a8-acb0-8e7d6e54c247

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-05-27T08:56:57.241808Z

## Updated at

2026-05-27T23:10:10.076512Z

## Published at

2026-05-28T01:37:29.157078Z

## Doi



## First published url

https://doi.org/10.1016/j.jcou.2026.103471

## Date published

2026-05-26

## Recorded date published

2026-7

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Synthesis of helical carbon nanofiber for greenhouse gas fixation and mechanistic
    insight into CO driven carbon formation
  title_type: original
  lang: en

## Description

- description: "The utilization of carbon monoxide (CO), a key intermediate generated
    in CO2 reduction and syngas-based processes, is a central challenge in carbon
    management.\r\nAlthough several studies have explored carbon growth from CO, conventional
    approaches often suffer from limited structural control and heterogeneous products,\r\nhindering
    the valorization of CO into advanced materials. Here, we report a robust and potentially
    scalable method to directly synthesize helical carbon nanofibers\r\n(hCNFs) from
    CO under ambient pressure, enabling a carbon-negative pathway when integrated
    with dry reforming of methane (DRM, CH4 + CO2 → 2 H2 + 2CO).\r\nUsing an earth-abundant
    Fe–Mo nanocomposite catalyst (Fe#MoOx), we achieve uniform Fe nanoparticle stabilization
    during reduction and carburization, which is\r\nessential for controlled helical
    growth. The resulting hCNFs exhibit uniform morphology (≈100 nm diameter; several
    micrometers in length), a narrow diameter\r\ndistribution (σ < 11.6 nm), high
    graphitic order, and a carbon yield of ~20% relative to carbon input. Notably,
    structural characterization reveals an exceptionally\r\nhigh density of edge-plane
    exposure, approaching the theoretical maximum attainable for CNFs. This feature
    endows the material with intrinsically high surface\r\nenergy and provides a foundation
    for exploiting edge-rich carbon architectures in applications. In situ mass spectrometry
    and Raman spectroscopy further elucidate\r\nthe distinct sequence of reduction,
    carburization, and spiral growth. By transforming CO into nanostructured carbons
    of unprecedented structural quality, this study\r\nprovides a practical solution
    to the CO bottleneck in CO2 utilization and establishes a platform for advanced
    applications in electrochemical storage, photothermal\r\nconversion, and biointerfaces."
  description_type: abstract
  lang: und

## Creator

- name: Atsuki Sakata
  role: author
  orcid: https://orcid.org/0009-0006-6330-1718
- name: Hideki Abe
  role: author
- name: Takeshi Fujita
  role: author
- name: Akira Yamaguchi
  role: author
  orcid: https://orcid.org/0000-0002-3550-4239
- name: Shigenori Ueda
  role: author
  orcid: https://orcid.org/0000-0001-9425-0614
- name: Boborahimov Azamat Boborahim Ugli
  role: author
- name: Masahiro Miyauchi
  role: author
  orcid: https://orcid.org/0000-0001-8889-2645
- name: Shusaku Shoji
  role: author
  orcid: https://orcid.org/0000-0002-8481-2633

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: CO2 utilization
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

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## Embargo



## Journal

- title: Journal of CO2 Utilization
  issn: '22129820'
  volume: '109'
  article_number: '103471'

## Conference



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## Funding

- funder_name: New Energy and Industrial Technology Development Organization
- funder_name: Iketani Science and Technology Foundation

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## Fileset

- id: 868964a5-4cc2-47f1-aab8-735ffe47b14b
  filename: JCOU CNF.pdf
  content_type: application/pdf
  size: 5112088
  md5: 80e43022207192f6b2126ba5f499b105

## Thumbnail

fileset_id: 868964a5-4cc2-47f1-aab8-735ffe47b14b
filename: JCOU CNF.pdf