Eu2SnSe5

semiconductor

· Eu2SnSe5

Eu2SnSe5 is a rare-earth tin selenide semiconductor compound combining europium, tin, and selenium elements. This is primarily a research material investigated for optoelectronic and photovoltaic applications, with potential relevance to solid-state lighting, photodetectors, and next-generation absorber materials for thin-film solar cells. While not yet widely deployed in mainstream engineering products, compounds in this material family are of interest as alternatives to lead-halide perovskites and other toxic semiconductors, particularly in contexts where tunable bandgap, rare-earth luminescence, or improved environmental stability are valued.

photovoltaic absorbersoptoelectronic researchphotodetectorsthin-film solar cellsrare-earth semiconductorssolid-state lighting

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.070	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.

Eu2SnSe5

Electrical Properties

Regulatory Screening

Environmental

Export Control