School of Materials Science and Engineering;
Shandong University of Science and Technology;
Qingdao 266590;
China;
School of Environmental and Material Engineering;
Yantai University;
Yantai 264005;
China;
School of Materials Science and Engineering;
Zhengzhou University;
Zhengzhou 450001;
China;
Photocatalytic N_(2)fixation; Bi_(5)O_(7)Br; IT phase WS_(2); Electron-hole pairs; Photocatalytic performance;