Department of Catalysis Science and Technology;
Tianjin Key Laboratory of Applied Catalysis Science&Technology;
School of Chemical Engineering and Technology;
Tianjin University;
Tianjin 300350;
China;
Department of Materials Engineering;
Xuzhou College of Industrial Technology;
Xuzhou 221140;
China;
Isobutane dehydrogenation; Catalyst; Nanoparticles; Silica; LaAlO_(3)perovskite; Pt-Cu interaction;