Ga2 Se2

semiconductor

· Ga2 Se2

Ga₂Se₂ is a III-VI semiconductor compound belonging to the gallium chalcogenide family, which exhibits direct bandgap characteristics useful for optoelectronic applications. This material is primarily of research and developmental interest rather than established industrial production, with potential applications in infrared photonics, photodetectors, and next-generation solar devices where its bandgap and optical properties could offer advantages over conventional semiconductors. Gallium selenide compounds are explored as alternatives to more mature semiconductors when specific wavelength ranges or optical transparency windows are required.

infrared photodetectorsoptical window applicationsresearch optoelectronicsnonlinear optical devicesexperimental solar cellschalcogenide semiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,950.6	ksi	—
Shear Modulus(G)	3,147.3	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8347	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5820	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.

Ga2 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control