An experimental study of the bonding geometry and electronic coupling of cis-bis(isothiocyanato)bis(-bipyridyl--dicarboxylato)-ruthenium(II) (N3) adsorbed on rutile is presented, along with supporting theoretical calculations of the bonding geometry. Samples were prepared in situ using ultrahigh vacuum electrospray deposition. Core-level photoemission spectroscopy was used to characterize the system and to deduce the nature of the molecule-surface bonding. Valence band photoemission and N x-ray absorption spectra were aligned in a common binding energy scale to enable a quantitative analysis of the bandgap region. A consideration of the energetics in relation to optical absorption is used to identify the photoexcitation channel between the highest occupied and lowest unoccupied molecular orbitals in this system, and also to quantify the relative binding energies of core and valence excitons. The core-hole clock implementation of resonant photoemission spectroscopy is used to reveal that electron delocalization from N3 occurs within .
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21 September 2008
Research Article|
September 15 2008
Photoemission, resonant photoemission, and x-ray absorption of a Ru(II) complex adsorbed on rutile prepared by in situ electrospray deposition
Louise C. Mayor;
Louise C. Mayor
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
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J. Ben Taylor;
J. Ben Taylor
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
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Graziano Magnano;
Graziano Magnano
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
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Anna Rienzo;
Anna Rienzo
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
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Christopher J. Satterley;
Christopher J. Satterley
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
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James N. O’Shea;
James N. O’Shea
a)
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
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Joachim Schnadt
Joachim Schnadt
2Department of Synchrotron Radiation,
Lund University
, S-221 00 Lund, Sweden
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Louise C. Mayor
1
J. Ben Taylor
1
Graziano Magnano
1
Anna Rienzo
1
Christopher J. Satterley
1
James N. O’Shea
1,a)
Joachim Schnadt
2
1School of Physics and Astronomy,
University of Nottingham
, Nottingham NG7 2RD, United Kingdom
2Department of Synchrotron Radiation,
Lund University
, S-221 00 Lund, Sweden
a)
Electronic mail: [email protected].
J. Chem. Phys. 129, 114701 (2008)
Article history
Received:
June 09 2008
Accepted:
August 01 2008
Citation
Louise C. Mayor, J. Ben Taylor, Graziano Magnano, Anna Rienzo, Christopher J. Satterley, James N. O’Shea, Joachim Schnadt; Photoemission, resonant photoemission, and x-ray absorption of a Ru(II) complex adsorbed on rutile prepared by in situ electrospray deposition. J. Chem. Phys. 21 September 2008; 129 (11): 114701. https://doi.org/10.1063/1.2975339
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