期刊
ACS NANO
卷 7, 期 5, 页码 4520-4526出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn401171z
关键词
chemical vapor deposition; interfaces; monolayers; porphyrins; surface chemistry; silver surface
类别
资金
- ERC [247299]
- TUM-IAS
- Munich Center for Advanced Phonics
- Marie Curie Intra-European Fellowship [274842]
- Marie Curie International Incoming Fellowship [302157]
- International Max Planck Research School of Advanced Photon Science (IMPRS-APS)
- Helmholtz-Zentrum Berlin (HZB)
The fabrication and control of coordination compounds or architectures at well-defined interfaces is a thriving research domain with promise for various research areas, including single-site catalysis, molecular magnetism, light-harvesting, and molecular rotors and machines. To date, such systems have been realized either by grafting or depositing prefabricated metal-organic complexes or by protocols combining molecular linkers and single metal atoms at the interface. Here we report a different pathway employing-metal organic chemical vapor deposition, as exemplified by the reaction of meso-tetraphenylporphyrin derivatives on atomistically dean Ag(111) with a metal carbonyl precursor (Ru-3(C0)(12)) under vacuum conditions. Scanning tunneling microscopy and X-ray spectroscopy reveal the formation of a meso-tetraphenylporphyrin cydodehydrogenanon product that readily undergoes metalation after exposure to the Ru-carbonyl precursor vapor and thermal treatment. The self-terminating porphyrin metalation protocol proceeds without additional surface-bound byproducts, yielding a single and thermally robust layer of Ru metalloporphyrins. The introduced fabrication scheme presents a new approach toward the realization of complex metal-organic interfaces incorporating metal centers in unique coordination environments.
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