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Effect of K doping on CuPc: C60 heterojunctions
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10.1063/1.3665711
/content/aip/journal/jap/110/11/10.1063/1.3665711
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/11/10.1063/1.3665711
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Evolution of the valence-band and K 3p core-level spectra recorded at a photon energy of 136 eV for K doping in CuPc. The right panel is a magnification of the spectra in the vicinity of the HOMO.

Image of FIG. 2.
FIG. 2.

(Color online) Evolution of the valence-band and K 3p core-level spectra recorded at a photon energy of 136 eV for C60 on K1.5CuPc. The right panel is a magnification of the spectra in the vicinity of the HOMO. The inset is the valence-band spectra for 3.2-ML coverage and pristine C60.

Image of FIG. 3.
FIG. 3.

(Color online) Evolution of the core-level spectra for C60 on K1.5CuPc. The left panel (a) is the N 1s core taken at a photon energy of 460 eV, whereas the right panel (b) is the C 1s core taken at a photon energy of 350 eV. The inset of Fig. 3(a) is the variation of the relative intensity for the N 1s core-level spectra as a function of the C60 coverage. The curve fitting results of C 1s cores for 3.2-ML coverage are shown in the inset of (b).

Image of FIG. 4.
FIG. 4.

(Color online) Evolution of the valence-band and K 3p core-level spectra recorded at a photon energy of 136 eV for CuPc on K3C60. The right panel is a magnification of the spectra in the vicinity of the HOMO. The inset shows the variation of the relative intensity for K 3p core-level spectra as a function of the CuPc coverage.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Evolution of the vacuum level shift depending on the adsorbate coverage, derived from the corresponding low-energy cutoff shown in (b).

Image of FIG. 6.
FIG. 6.

(Color online) Interfacial energy diagrams for (a) C60 on K1.5CuPc and (b) CuPc on K3C60.

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/content/aip/journal/jap/110/11/10.1063/1.3665711
2011-12-08
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of K doping on CuPc: C60 heterojunctions
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/11/10.1063/1.3665711
10.1063/1.3665711
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