Structural transition and chemical reactivity of atomic carbon chains

被引：0

作者：

Fang, Siyuan ^{[1
]}

Tong, Xiao ^{[2
]}

Stacchiola, Dario ^{[2
]}

Hu, Yun Hang ^{[1
]}

机构：

[1] Michigan Technol Univ, Dept Mat Sci & Engn, Houghton, MI 49931 USA

[2] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA

来源：

CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 48期

关键词：

CARBYNE; NANOTUBES; OXIDATION;

D O I：

10.1039/d3cc01711g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 O-2, H-2, and CO2 at temperatures up to 600 degrees C and created an end-group-protection strategy to stabilize it. These observations open a new door to the chemistry of atomic materials.

引用

页码：7383 / 7386

页数：4

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