最佳条件(pH=11, 0.5 M Ce3+)下HRB 400制备的溶胶-凝胶膜的FIB-TEM图: (a)截面厚度微观结构;(b-f) Fe、O、C、Si和Ce元素mapping图。
FIB-TEM images of sol-gel films prepared by HRB400 under optimal conditions (pH=11, 0.5 M Ce3+) : (a) microstructure of cross-section thickness; (b-f) mapping of Fe, O, C, Si, and Ce elements.