Cs3Sn3F2Cl7

semiconductor

· Cs3Sn3F2Cl7

Cs3Sn3F2Cl7 is a mixed-halide perovskite-related semiconductor compound containing cesium, tin, fluorine, and chlorine. This is a research-phase material being investigated for optoelectronic and photovoltaic applications, particularly as part of the broader family of halide perovskites seeking lead-free alternatives with improved stability. The tin-based composition addresses toxicity concerns of lead perovskites while the mixed halide structure offers tunable bandgap and potential enhanced tolerance to moisture and thermal degradation compared to single-halide analogs.

photovoltaic cells (lead-free)optoelectronic devicesperovskite solar cellsX-ray detectorslight-emitting diodes (LEDs)materials research & development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.960	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.

Cs3Sn3F2Cl7

Electrical Properties

Regulatory Screening

Environmental

Export Control