Molecular and electronic structure of self-assembled monolayers containing ruthenium(II) complexes on gold surfaces
Ru(II) bipyridyl complexes were covalently bonded to self-assembled monolayers (SAM) on Au surfaces. Their molecular and electronic structure was studied by means of polarization modulation infrared reflection absorption spectroscopy (PM-IRRAS), photoelectron spectroscopies, scanning tunneling micro...
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American Chemical Society
2014
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| LEADER | 12509caa a22010217a 4500 | ||
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| 001 | PAPER-23969 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518205544.0 | ||
| 008 | 190411s2014 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-84920279462 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a De La Llave, E. | |
| 245 | 1 | 0 | |a Molecular and electronic structure of self-assembled monolayers containing ruthenium(II) complexes on gold surfaces |
| 260 | |b American Chemical Society |c 2014 | ||
| 270 | 1 | 0 | |m Williams, F.J.; Departamento de Química Inorgánica, Analítica y Química-Física, INQUIMAE-CONICET, Ciudad Universitaria, Pabellón 2, Argentina |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a Ru(II) bipyridyl complexes were covalently bonded to self-assembled monolayers (SAM) on Au surfaces. Their molecular and electronic structure was studied by means of polarization modulation infrared reflection absorption spectroscopy (PM-IRRAS), photoelectron spectroscopies, scanning tunneling microscopy (STM) and density functional theory (DFT) calculations. We found that attaching the Ru complex to the SAM does not cause great modifications to its molecular structure, which retains the alkyl chain 30 deg tilted with respect to the surface normal. Furthermore, the Ru center is located 20 Å away from the metal surface, i.e., at a sufficient distance to prevent direct electronic interaction with the substrate. Indeed the electronic structure of the Ru complex is similar to that of the free molecule with a HOMO molecular orbital mainly based on the Ru center located 2.1 eV below the Fermi edge and the LUMO molecular orbital based on the bipyridine groups located 1 eV above the Fermi level. © 2014 American Chemical Society. |l eng | |
| 593 | |a Departamento de Química Inorgánica, Analítica y Química-Física, INQUIMAE-CONICET, Ciudad Universitaria, Pabellón 2, Buenos Aires, C1428EHA, Argentina | ||
| 690 | 1 | 0 | |a ABSORPTION SPECTROSCOPY |
| 690 | 1 | 0 | |a DENSITY FUNCTIONAL THEORY |
| 690 | 1 | 0 | |a ELECTRONIC STRUCTURE |
| 690 | 1 | 0 | |a GOLD COMPOUNDS |
| 690 | 1 | 0 | |a MOLECULAR ORBITALS |
| 690 | 1 | 0 | |a MONOLAYERS |
| 690 | 1 | 0 | |a PHOTOELECTRON SPECTROSCOPY |
| 690 | 1 | 0 | |a RUTHENIUM |
| 690 | 1 | 0 | |a RUTHENIUM ALLOYS |
| 690 | 1 | 0 | |a RUTHENIUM COMPOUNDS |
| 690 | 1 | 0 | |a SCANNING TUNNELING MICROSCOPY |
| 690 | 1 | 0 | |a COVALENTLY BONDED |
| 690 | 1 | 0 | |a ELECTRONIC INTERACTIONS |
| 690 | 1 | 0 | |a FREE MOLECULES |
| 690 | 1 | 0 | |a GOLD SURFACES |
| 690 | 1 | 0 | |a METAL SURFACES |
| 690 | 1 | 0 | |a POLARIZATION MODULATION INFRARED REFLECTION ABSORPTION SPECTROSCOPY |
| 690 | 1 | 0 | |a RUTHENIUM COMPLEXES |
| 690 | 1 | 0 | |a SURFACE NORMALS |
| 690 | 1 | 0 | |a SELF ASSEMBLED MONOLAYERS |
| 700 | 1 | |a Herrera, S.E. | |
| 700 | 1 | |a Méndez De Leo, L.P. | |
| 700 | 1 | |a Williams, F.J. | |
| 773 | 0 | |d American Chemical Society, 2014 |g v. 118 |h pp. 21420-21427 |k n. 37 |p J. Phys. Chem. C |x 19327447 |t Journal of Physical Chemistry C | |
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