Pr4 I8

semiconductor

· Pr4 I8

Pr4I8 is an iodide compound of praseodymium, a rare-earth lanthanide element, that exhibits semiconducting behavior. This material belongs to the rare-earth halide family and is primarily of research interest for exploring electronic and optical properties in lanthanide chemistry. Pr4I8 is not widely deployed in commercial applications but represents the broader potential of rare-earth iodides for optoelectronic devices, luminescent materials, and specialized solid-state physics studies where the 4f electron configuration of praseodymium can be leveraged.

rare-earth optoelectronics researchluminescent materials developmentsolid-state physics characterizationlanthanide compound studiesphotonic material screeningmaterials discovery experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02370	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.359	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.

Pr4 I8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control