Rb4 Sn4 I12

semiconductor

· Rb4 Sn4 I12

Rb₄Sn₄I₁₂ is a halide perovskite semiconductor composed of rubidium, tin, and iodine—a member of the lead-free perovskite family actively investigated for optoelectronic applications. This material is primarily of research interest rather than established industrial production, with potential applications in photovoltaics, light emission, and radiation detection where non-toxic alternatives to lead-based perovskites are increasingly demanded. The tin-based composition addresses toxicity and environmental concerns associated with lead perovskites, though stability and performance optimization remain active areas of development.

Perovskite solar cells (research)Lead-free optoelectronicsRadiation detectionLight-emitting devicesHalide semiconductors (experimental)Photovoltaic materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.054	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9890	eV/atom	—

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.

Rb4 Sn4 I12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control