Characteristics and Electrochemical Performance of Hydroxyl-Functionalized Graphene Quantum Dot-Coated Si Nanoparticles/Reduced Graphene Hybrid Anodes for Advanced Li-Ion Batteries

Figure 3

TEM images of fabricated OH-GQD at various magnifications (a–d) and corresponding height distribution profile (e); XRD pattern (f) and Raman spectra (g) of OH-GQD in comparison with GO and rGO; FTIR spectrum (h); and high-resolution O 1s (i) and C 1s (j) spectra.

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