College of Physics and State Key Laboratory of Coal Mine Disaster Dynamics and Control;
Chongqing University;
Chongqing 401331;
China;
Chongqing Institute of Green and Intelligent Technology;
Chinese Academy of Sciences;
Chongqing 400722;
China;
Institute of Microstructure and Properties of Advanced Materials;
Beijing University of Technology;
Beijing 100124;
China;
Analytical and Testing Center;
Chongqing University;
Chongqing 401331;
China;
Photocatalysis; Hydrangea-like TiO_(2); Ultrafine Cu clusters; Hydrogen evolution; Charge separation and transfer;