Hybridisation between 6s electrons of Bi and 2p electrons of O form chemical bonds which are stronger than those between Bi and other nonmetallic atoms (such as chalcogen), leading to a particularly stable (Bi-O)+ layer. A series of Bi-based layered-structural photocatalytic materials of ...
In all cases, the main contributions Catalysts 2017, 7, 160 9 of 20 u0 (Ce 3d9 4f 2 O 2p5) and v', u' (Ce 3d9 4f 1 O 2p6) assigned to Ce3+ species as a consequence of the hybridisation between the Ce 4f levels and the O 2p states [60]. In all cases, the main ...