Orbital specific chemistry: controlling the pathway in single-molecule dissociation.
Orbital specific chemistry: controlling the pathway in single-molecule dissociation.
复制标题
轨道特异性化学：控制单分子解离途径。
DOI：
10.1063/1.1940007
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发表时间：
2005
期刊：
影响因子：
--
通讯作者：
Wilson Ho
中科院分区：
文献类型：
--
作者：
J. Hahn;Wilson Ho
利用扫描隧道显微镜（STM）研究了13 K时Ag（110）表面单O（2）分子的解离过程。电子从STM针尖进入O（2）引起分子解离，产生两个吸附的O原子沿[110]方向沿着分离。相反，电子从O（2）分子中射出产生的吸附O原子沿[001]方向沿着分离。这些结果说明解离途径和产物形成的控制与位于费米能级的特定分子轨道有关。
A scanning tunneling microscope (STM) was used to control the pathway of the dissociation of single O(2) molecules chemisorbed on Ag(110) at 13 K. Tunneling of electrons from the STM tip into the O(2) caused dissociation of the molecule, giving rise to two adsorbed O atoms separated along the [110] direction. In contrast, the ejection of electrons from the O(2) molecule produced adsorbed O atoms separated along the [001] direction. These results illustrate that control of the dissociation pathway and product formation are associated with a specific molecular orbital located at the Fermi level.