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C60-Supported Single Pt Atom for Selective CH4 Activation.

Jiao-Jiao Chen1,2, Xi-Guan Zhao3,4, Bo-Han Zang1

  • 1School of Mathematics and Physics, North China Electric Power University, Beinong Road 2, Changping, Beijing 102206, P. R. China.

The Journal of Physical Chemistry Letters
|June 17, 2025
PubMed
Summary
This summary is machine-generated.

Single platinum atoms on C60 (C60Pt-) efficiently activate methane (CH4) at room temperature. The unique C60 support enhances catalytic activity and selectivity for direct methane conversion.

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Area of Science:

  • Catalysis
  • Materials Science
  • Surface Chemistry

Background:

  • Supported single-atom catalysts (SACs) are promising for selective C-H bond activation.
  • Direct conversion of methane (CH4) to value-added chemicals is a significant challenge.

Purpose of the Study:

  • To investigate the catalytic activity of single platinum atoms supported on C60 for methane activation.
  • To elucidate the role of the C60 support in enhancing catalyst performance.

Main Methods:

  • Utilized state-of-the-art mass spectrometry.
  • Employed newly designed variable-temperature double ion trap reactors.
  • Immobilized single Pt- atoms on C60 supports.

Main Results:

  • Observed significantly enhanced reactivity of C60Pt- toward CH4 activation at room temperature compared to bare Pt-.
  • Demonstrated that the C60 support modifies the electronic state of Pt- (Pt- → Pt0), enhancing orbital interactions with CH4.
  • Showcased the electron-buffering capability of C60 for selective CH4 activation via single C-H bond cleavage.

Conclusions:

  • The C60 support plays a crucial role in enhancing the activity and selectivity of single-atom catalysts for methane activation.
  • Atomic-scale insights into supported SACs provide a foundation for designing advanced catalysts for direct methane conversion.
  • Positive support effects of C60 are critical for developing efficient catalysts for CH4 conversion.