The Effects of Coupling Agents on the Properties of Polyimide/Nano-Al<sub>2</sub>O<sub>3</sub> Three-Layer Hybrid Films

<table>UV-Vis spectra of PI/Al<sub>2</sub>O<sub>3</sub> hybrid films with different coupling agents.</table>

Journal of Nanomaterials

Figure 3: The Effects of Coupling Agents on the Properties of Polyimide/Nano-Al<sub>2</sub>O<sub>3</sub> Three-Layer Hybrid Films 