State Key Laboratory of Advanced Technology of Materials Composite Technology;
Wuhan University of Technology;
Wuhan 430070;
China;
Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory;
Foshan 528216;
China;
School of Automobile Engineering;
Wuhan University of Technology;
Wuhan 430070;
China;
School of Materials Science and Technology;
Wuhan University of Technology;
Wuhan 430070;
China;
Nickel oxide; Perovskite solar cell; Chemical bath deposition; Planar NiO x film;