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
收藏
页码：7383 / 7386
页数：4
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