Bi2S3 is a semiconductor. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Bi2S3 belongs to the group-15 post-transition metal trichalcogenides.
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Bismuth Sulfide (Bi2S3)
Bi2S3 crystal properties
Crystal size: ~10 mm
Electrical properties: Semiconductor
Crystal structure: Orthorhombic
Unit cell parameters: a = 0.4025, b = 1.117 nm, c = 1.135 nm, α = β = γ = 90°