Electrochemical Epitaxial Growth of TiO₂/CdS/PbS Nanocables

Figure 2

(a, b) SEM images of TiO₂/CdS nanocable arrays. (c) SEM image of TiO₂/CdS/Pb. (d) Schematic diagram of the growth process of the TiO₂/CdS/PbS heterostructures. (e) Relative band edges of TiO₂, CdS, and PbS (left) and the proposed band edges of TiO₂/CdS/PbS termed by Fermi level alignment (right).

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