Issue 48, 2023

Structural transition and chemical reactivity of atomic carbon chains

Abstract

The sp-hybridized carbon chain (carbyne) is a representative 1D atomic material, whose bonding structure and chemical reactivity have remained a mystery for a century. Here, we report the unexpected alternating bond orders of 1.4 and 2.6 for the most stable carbon chain and the in situ diffuse reflectance infrared Fourier-transform spectroscopy (DRIFTS) detection of the temperature-dependent reversible change of the bond order alternation. Moreover, we revealed its reactivities with O2, H2, and CO2 at temperatures up to 600 °C and created an end-group-protection strategy to stabilize it. These observations open a new door to the chemistry of atomic materials.

Graphical abstract: Structural transition and chemical reactivity of atomic carbon chains

Supplementary files

Article information

Article type
Communication
Submitted
07 Apr 2023
Accepted
19 May 2023
First published
19 May 2023

Chem. Commun., 2023,59, 7383-7386

Author version available

Structural transition and chemical reactivity of atomic carbon chains

S. Fang, X. Tong, D. Stacchiola and Y. H. Hu, Chem. Commun., 2023, 59, 7383 DOI: 10.1039/D3CC01711G

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