Figure 2.

Surface morphologies of a TiO2 and b TiO2/CdS films by FESEM measurements; c Low-magnification and d high-magnification HRTEM images of TiO2/CdS film

Zhu et al. Nanoscale Research Letters 2010 5:1749-1754   doi:10.1007/s11671-010-9705-z