1. College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, No. 21 Bohai Road, Caofeidian New-City, Tangshan, Hebei, 063210, P. R. China
2. Qian'an College, North China University of Science and Technology, Qian'an, Tangshan, Hebei, 064400, P. R. China