Two types of eight kinds of new squarains were designed and synthesized. Theirstructures were elucidated by IR, NMR, MS and elementary analysis. Their luminesce
Sm2O3-LaF3 and BaF2 promoted Sm2O3W3 catalysts shown good catalytic performance for the Oxidative Dehydrogenation of Ethane(ODE). XRD and XPS characterizations