Assembly of Ferrocene Molecules on Metal Surfaces Revisited

Assembly of Ferrocene Molecules on Metal Surfaces Revisited. Ormaza, M., Abufager, P., Bachellier, N., Robles, R., Verot, M., Le Bahers, T., Bocquet, M., Lorente, N., & Limot, L. The Journal of Physical Chemistry Letters, 6(3):395–400, February, 2015.

Paper doi abstract bibtex

Metallocene (MCp2) wires have recently attracted considerable interest in relation to molecular spintronics due to predictions concerning their half-metallic nature. This exciting prospect is however hampered by the little and often-contradictory knowledge we have concerning the metallocene self-assembly and interaction with a metal. Here, we elucidate these aspects by focusing on the adsorption of ferrocene on Cu(111) and Cu(100). Combining low-temperature scanning tunneling microscopy and density functional theory calculations, we demonstrate that the two-dimensional molecular arrangement consists of vertical- and horizontal-lying molecules. The noncovalent T-shaped interactions between Cp rings of vertical and horizontal molecules are essential for the stability of the physisorbed molecular layer. These results provide a fresh insight into ferrocene adsorption on surfaces and may serve as an archetypal reference for future work with this important variety of organometallic molecules.

@article{ormaza_assembly_2015,
	title = {Assembly of {Ferrocene} {Molecules} on {Metal} {Surfaces} {Revisited}},
	volume = {6},
	issn = {1948-7185},
	url = {https://doi.org/10.1021/jz5026118},
	doi = {10.1021/jz5026118},
	abstract = {Metallocene (MCp2) wires have recently attracted considerable interest in relation to molecular spintronics due to predictions concerning their half-metallic nature. This exciting prospect is however hampered by the little and often-contradictory knowledge we have concerning the metallocene self-assembly and interaction with a metal. Here, we elucidate these aspects by focusing on the adsorption of ferrocene on Cu(111) and Cu(100). Combining low-temperature scanning tunneling microscopy and density functional theory calculations, we demonstrate that the two-dimensional molecular arrangement consists of vertical- and horizontal-lying molecules. The noncovalent T-shaped interactions between Cp rings of vertical and horizontal molecules are essential for the stability of the physisorbed molecular layer. These results provide a fresh insight into ferrocene adsorption on surfaces and may serve as an archetypal reference for future work with this important variety of organometallic molecules.},
	number = {3},
	urldate = {2019-02-26},
	journal = {The Journal of Physical Chemistry Letters},
	author = {Ormaza, Maider and Abufager, Paula and Bachellier, Nicolas and Robles, Roberto and Verot, Martin and Le Bahers, Tangui and Bocquet, Marie-Laure and Lorente, Nicolas and Limot, Laurent},
	month = feb,
	year = {2015},
	keywords = {\_tablet},
	pages = {395--400},
}

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