KSbP2Se6 mP20 4

• Bi-P-S-Tl
• K-P-Sb-Se
• Na-P-S-Sb
• K-P-S-Sb
• Bi-K-P-S
• structural properties
• electronic and electrical properties
• values of electronic energy gap
• electronic energy gap
• optical properties
• pnictogen
• non-disordered
• quaternary
• chalcogen
• conductor
• monoclinic