Science Advances

This PDF file includes:

• Section S1. Sample structure
• Section S2. Junction characterization
• Section S3. DFT simulations
• Section S4. X-ray absorption spectroscopy
• Section S5. Sample preparation and LE-μSR fitting details
• Fig. S1. Transport characteristics of junctions with and without an alumina barrier.
• Fig. S2. Thin film characterization.
• Fig. S3. DFT geometries.
• Fig. S4. DFT optimized geometries for the neutral and charged states.
• Fig. S5. PDOS calculations.
• Fig. S6. Band structure and molecular orbitals around the Fermi energy.
• Fig. S7. NEXAFS experimental details.
• Fig. S8. NEXAFS and XMCD when using a CuO_x electrode.
• Fig. S9. Photovoltaic effect in C₆₀/MnO_x junctions.
• Fig. S10. Dependence of the photocurrent of the LE-μSR sample with temperature.
• Fig. S11. Discharge for a photovoltaic-charged device.
• Fig. S12. LEM experimental details for electrically charged sample.
• Fig. S13. Fitting of LEM data for electrically charged sample.
• Fig. S14. LE-μSR probing of a photovoltaic sample at 50 K in a transverse field of 300 G.
• Fig. S15. Magnetometry data.
• Table S1. Computed energy differences (eV) between the different adsorption geometries of C₆₀ on β-MnO₂(110)-2x2 as a function of the extra electronic charge added to the system.
• Table S2. Computed Bader charges (Q) (63) for the different adsorption geometries of C₆₀ on β-MnO₂(110)-2x2 as a function of the extra electronic charge added to the system.
• References (47–67)

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