Syntheses, structures, and optical properties of yellow Ce2SiS5, Ce6Si4S17, and Ce4Si3S12 materials

G. Gauthier (1) , Stéphane Jobic (1) , Michel Evain (1) , H.-J. Koo (2) , Myung-Hwan Whangbo (2) , Claude Fouassier (3) , R. Brec (1)

1 IMN - Institut des Matériaux Jean Rouxel
2 Department of Chemistry, North Carolina Raleigh
3 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux

The Ce-S-Si system has been explored in search of new, yellow nontoxic pigments. We prepared a new Ce-S-Si phase (Ce6Si4S17), determined the crystal structures of Ce2SiS5, Ce4Si3S12, and Ce6Si4S17, and measured the chromatic properties of these Ce-S-Si phases. The differences in the yellow hue of these compounds were probed by analyzing their Ce3+ ion environments and calculating their electronic band structures...

Mots clés: Optical properties; Chemical synthesis; Chemical Structure; Inorganic compounds; Ce2SiS5; Ce6Si4S17; Ce4Si3S12

Domaines: Matériaux

G. Gauthier, Stéphane Jobic, Michel Evain, H.-J. Koo, Myung-Hwan Whangbo, et al.. Syntheses, structures, and optical properties of yellow Ce2SiS5, Ce6Si4S17, and Ce4Si3S12 materials. Chemistry of Materials, 2003, 15 (4), pp.828-837. ⟨10.1021/cm0211711⟩. ⟨hal-00173609⟩