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Photoemission, resonant photoemission, and x-ray absorption of a Ru(II) complex adsorbed on rutile prepared by in situ electrospray deposition
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10.1063/1.2975339
/content/aip/journal/jcp/129/11/10.1063/1.2975339
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/11/10.1063/1.2975339

Figures

Image of FIG. 1.
FIG. 1.

(a) N3 molecule adsorbed on , calculated using CASTEP (Ref. 23) at the DFT-GGA level (see text for details), and (b) chemical structure of the N3 molecule.

Image of FIG. 2.
FIG. 2.

Schematic of the electrospray system showing the molecular beam traveling from left to right as it leaves the high voltage hollow needle, passes via apertures through differentially pumped chambers, and is incident upon the sample.

Image of FIG. 3.
FIG. 3.

O core-level spectra measured using . Total instrument resolutions were and for the mono- and multilayers, respectively.

Image of FIG. 4.
FIG. 4.

S core-level spectra measured using . Total instrument resolutions were and for the mono- and multilayers, respectively.

Image of FIG. 5.
FIG. 5.

(a) C core-level spectrum measured using , and (b) N core-level spectrum measured using . Total instrument resolutions were and , respectively.

Image of FIG. 6.
FIG. 6.

Valence band PES spectra of the clean substrate and of a monolayer of N3, adjacent to a N NEXAFS spectrum of the N3 monolayer. The NEXAFS spectrum is also shown shifted by to align with the optical HOMO-LUMO gap of . The optical bandgap of rutile (Ref. 16) is also indicated. The PES spectra were measured using and had a total instrument resolution of . The NEXAFS spectrum was taken over the photon energy range and had a photon energy resolution of .

Image of FIG. 7.
FIG. 7.

N RPES data for the monolayer. Valence band spectra with a BE range of were acquired over the photon energy range . Photon energy resolution was .

Image of FIG. 8.
FIG. 8.

N RPES and N NEXAFS spectra of the N3 multilayer and monolayer. The RPES spectra shown here are BE integrations from over the datasets. Also shown are magnifications of the and region. The RPES:NEXAFS intensity ratios for the multilayer are measured to be and , and for the monolayer as and .

Image of FIG. 9.
FIG. 9.

Photon energy slices of the multilayer RPES data taken at pre-edge, LUMO, and photon energies to give a clearer view of the misaligned peaks.

Image of FIG. 10.
FIG. 10.

DFT calculations showing electron orbitals of a geometry-optimized free N3 molecule.

Tables

Generic image for table
Table I.

BEs (eV) calibrated to the substrate O peak at (Ref. 22).

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/content/aip/journal/jcp/129/11/10.1063/1.2975339
2008-09-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photoemission, resonant photoemission, and x-ray absorption of a Ru(II) complex adsorbed on rutile TiO2(110) prepared by in situ electrospray deposition
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/11/10.1063/1.2975339
10.1063/1.2975339
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