Cs2Sn(PSe3)2

semiconductor

· Cs2Sn(PSe3)2

Cs2Sn(PSe3)2 is an inorganic semiconductor compound belonging to the metal phosphide selenide family, combining cesium, tin, and phosphorus selenide units in a layered crystal structure. This is a research-phase material studied for potential optoelectronic and photovoltaic applications, where its tunable bandgap and layered structure are of interest for next-generation energy conversion devices. The compound exemplifies emerging halide-free perovskite alternatives and related inorganic semiconductors being explored to overcome stability and toxicity limitations of conventional lead-based perovskites.

photovoltaic researchthin-film semiconductorsoptoelectronic devicessolar cell developmentmaterials screening for energyexperimental perovskite alternatives

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.060	eV	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Cs2Sn(PSe3)2

Electrical Properties

Regulatory Screening

Environmental

Export Control