Fig. 1. Surface morphology diagram of Cu/Al₂O₃ thin films under different oxidation times ^[8]

Fig. 2. Chronocoulometric curves and charge Q vs.t^1/2 i.e. Anson plot for TiO₂ nanowire，MoO₃ film and TiO₂/MoO₃ thin films^[18]

Fig. 3. Effect of scavengers on photodegradation rate of rhodamine B under simulated^[55]

Fig. 4. Percentage removal of copper ion at various TEOS concentrations and various concentrations of copper feed solution testing^[57]

Fig. 5. Residual stress as a function of SiO₂ content of mixed films^[73]

Fig. 6. Tensile strength versus percent loading of fibers before and after aging^[82]

Fig. 7. Percent elongation versus percent loading of PET fibers before and after aging^[82]