CsBi2

semiconductor

· CsBi2

CsBi₂ is a bismuth-based intermetallic compound with cesium, belonging to the family of metal halide perovskite-like or related bismuth semiconductors. This is primarily a research material under investigation for optoelectronic and photovoltaic applications, particularly as a lead-free alternative in perovskite solar cells and related light-absorbing layers. CsBi₂ and related cesium-bismuth compounds are notable for their potential to address toxicity concerns associated with lead-based perovskites while maintaining semiconducting behavior suitable for energy conversion, though commercialization remains limited and material stability and efficiency optimization are active areas of study.

lead-free solar cellsperovskite researchphotovoltaic semiconductorsoptoelectronic devicesradiation detection (exploratory)thin-film absorbers

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.5500	eV	—

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

Regulatory Screening

Environmental

Export Control

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CsBi2

Electrical Properties

Regulatory Screening

Environmental

Export Control