Cs3Sb2I9

semiconductor

· Cs3Sb2I9

Cs3Sb2I9 is a lead-free halide perovskite semiconductor compound composed of cesium, antimony, and iodine. This material is primarily of research and development interest for next-generation optoelectronic devices, where it serves as an alternative to toxic lead-based perovskites while maintaining semiconducting properties suitable for light emission and detection. The antimony-based composition offers potential advantages in stability and environmental safety compared to conventional lead halide perovskites, though it remains largely in experimental stages for commercial applications.

perovskite solar cellslight-emitting devices (LEDs)photodetectorsradiation detectorsthin-film semiconductorsnext-generation photovoltaics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8.396	GPa	—
Shear Modulus(G)	4.035	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.890	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.

Cs3Sb2I9

Mechanical Properties

Electrical Properties

Regulatory Screening

Environmental

Export Control