Se2

semiconductor

· Se2

Se2 is a selenium-based semiconductor compound belonging to the chalcogenide family of materials. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, where its direct bandgap and light-absorption characteristics make it of interest for next-generation solar cells and photodetectors. Compared to traditional silicon-based semiconductors, selenium compounds offer tunable electronic properties and potential advantages in flexible or thin-film device architectures, though Se2 remains largely experimental and requires further development for commercial adoption.

thin-film photovoltaicsphotodetectorsoptoelectronic researchsolar cellsflexible electronicschalcogenide semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	40.30	GPa	—
Shear Modulus(G)	-14.58	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01220	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.5340	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.

Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control