As4 Se4 I4

semiconductor

· As4 Se4 I4

As₄Se₄I₄ is a mixed-halide chalcogenide semiconductor composed of arsenic, selenium, and iodine. This is a specialized research compound within the chalcogenide family, not yet established in mainstream commercial applications; it is primarily studied for its potential in infrared optics, photovoltaic devices, and nonlinear optical applications where the combination of arsenic and selenium with iodine doping may provide tunable bandgap and enhanced light-matter interactions.

infrared optics (research)chalcogenide photonicsexperimental semiconductorsnonlinear optical materialsnarrow-bandgap devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.202	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1750	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.

As4 Se4 I4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards