Research / 2019 / Article / Fig 2

Research Article

Migration-Prevention Strategy to Fabricate Single-Atom Fe Implanted N-Doped Porous Carbons for Efficient Oxygen Reduction

Figure 2

(a) PXRD patterns of PCN-224, PCN-224(Fe), PANI@PCN-224(Fe), and PANI. (b) Optical images of PCN-224(Fe) and PANI@PCN-224(Fe) powder. TEM images of (c) PCN-224(Fe) and (d) PANI@PCN-224(Fe).