期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 12, 期 7, 页码 1869-1875出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.1c00005
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资金
- Collaborative Innovation Center of Suzhou Nano Science Technology
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- National Science Foundation of China [22072102, 21872099, 21771134, 21790053, 51821002]
- National Major State Basic Research Development Program of China [2017YFA0205002]
The research shows that shorter molecules tend to bond with extracted metal adatoms, forming metal-organic hybrids, while longer molecules prefer bonding with lattice metal atoms.
In on-surface chemistry, the efficient preparation of metal-organic hybrids is regarded as a primary path to mediate controlled synthesis of well-ordered low-dimensional organic nanostructures. The fundamental mechanisms in forming these hybrid structures, however, are so far insufficiently explored. Here, with scanning tunneling microscopy, we studied the bonding behavior of the adsorbed phenol derivatives with different molecular lengths. We reveal that shorter molecules favor bonding with extracted metal adatoms and result in metal-organic hybrids, whereas longer molecules prefer to bond with lattice metal atoms. The conclusions are further confirmed by density functional theory calculations.
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