Fig. 2: Characterizations of NKM-908 thin film.

a PXRD patterns of NKM-908 powder and thin film (The inset shows the optical image of NKM-908 thin film on ITO electrode). b SEM image of NKM-908 thin film. Scale bars, a 10 mm, b 25 μm.
a PXRD patterns of NKM-908 powder and thin film (The inset shows the optical image of NKM-908 thin film on ITO electrode). b SEM image of NKM-908 thin film. Scale bars, a 10 mm, b 25 μm.