Fig. 9

TEM images of as-prepared MnO2: 10 mol% Fe3+ sample at (a–e) 500 nm, 200 nm, 100 nm, 50 nm, and 20 nm magnification, respectively, (f, e) HRTEM images, and (h) SAED image.

TEM images of as-prepared MnO2: 10 mol% Fe3+ sample at (a–e) 500 nm, 200 nm, 100 nm, 50 nm, and 20 nm magnification, respectively, (f, e) HRTEM images, and (h) SAED image.