Fig. 5

Distributions of NiO elements and morphology panels (a–e) include the elements as follows: EM image, EDS layered image, Ni Kα1 X-ray map, O Kα1 map, and Cl Kα1 X-ray map, respectively.

Distributions of NiO elements and morphology panels (a–e) include the elements as follows: EM image, EDS layered image, Ni Kα1 X-ray map, O Kα1 map, and Cl Kα1 X-ray map, respectively.