Science Advances

Supplementary Materials

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  • Fig. S1. FESEM characterizations of SiO2@TiO2/HDA core-shell spheres and SiO2@aTiO2 yolk-shell spheres.
  • Fig. S2. DLS analysis of SiO2 templates and SiO2@TiO2/HDA spheres.
  • Fig. S3. Small-angle XRD analysis of the particles with mesostructured TiO2 shells.
  • Fig. S4. FTIR study on the interactions between TiO2 and HDA.
  • Fig. S5. Wide-angle XRD analysis of the particles with aTiO2 shells.
  • Fig. S6. N2 sorption analysis of SiO2@aTiO2 and SiO2@TiO2/HDA samples.
  • Fig. S7. FTIR study of surfactant removal.
  • Fig. S8. TEM characterizations of SiO2@TiO2/HDA spheres and aTiO2 hollow spheres.
  • Fig. S9. N2 sorption analysis of aTiO2 hollow spheres.
  • Fig. S10. FESEM characterizations of mesoporous aTiO2 hollow spheres.
  • Fig. S11. TEM characterizations of SiO2@cTiO2 spheres.
  • Fig. S12. FTIR and N2 sorption analysis of SiO2@cTiO2 spheres.
  • Fig. S13. Wide-angle XRD analysis of the particles with cTiO2 shells.
  • Fig. S14. N2 sorption analysis of cTiO2 hollow spheres.
  • Fig. S15. Elemental analysis of cTiO2 hollow spheres.
  • Fig. S16. TEM and XRD characterizations of SiO2@TiO2/HDA spheres treated with 0.1 M HCl and 0.1 M NaOH solutions.
  • Fig. S17. TEM characterizations of the formation process of Au@TiO2 yolk-shell spheres.
  • Fig. S18. FESEM and TEM characterizations of the formation process of Fe2O3@TiO2 yolk-shell particles.
  • Fig. S19. FESEM and TEM characterizations of the formation process of TiO2-polymer double-shell hollow spheres.
  • Fig. S20. FESEM characterizations of different TiO2 core-shell composites.
  • Fig. S21. FESEM characterizations of CN and MOF templates.
  • Fig. S22. Wide-angle XRD analysis of different functional cores.
  • Fig. S23. TEM characterizations of CNT@TiO2 nanofibers.
  • Fig. S24. TEM characterizations and small-angle XRD analysis of different TiO2 core-shell composites.
  • Fig. S25. Cyclic voltammetry characterization of cTiO2 hollow spheres.
  • Fig. S26. Electrochemical characterizations of cTiO2 hollow spheres as an anode material in LIBs.
  • Fig. S27. FESEM characterization of cTiO2 hollow spheres before and after cycling test.

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