Cs5Bi(PSe3)4

semiconductor

· Cs5Bi(PSe3)4

Cs5Bi(PSe3)4 is an inorganic semiconductor compound composed of cesium, bismuth, phosphorus, and selenium, representing a member of the rare-earth-free metal chalcophosphate family. This is a research-stage material under investigation for optoelectronic and photovoltaic applications, particularly where layered crystal structures and tunable bandgaps are advantageous; compounds in this family are explored as alternatives to conventional semiconductors in contexts where toxicity, resource scarcity, or band structure engineering drive material selection.

photovoltaic devicesnonlinear optical materialsinfrared detectorssolid-state lighting researchquantum optics applicationsenergy conversion research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.850	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.

Cs5Bi(PSe3)4

Electrical Properties

Regulatory Screening

Environmental

Export Control