S2 Ge2

semiconductor

· S2 Ge2

S2Ge2 is an experimental two-dimensional semiconductor compound composed of sulfur and germanium, belonging to the family of layered transition metal dichalcogenides and related heterostructures. This material is primarily of research interest for next-generation optoelectronic and electronic devices, where its direct bandgap and strong light-matter interaction could enable efficient photovoltaics, photodetectors, and transistors with performance advantages over bulk semiconductors. Engineers and researchers explore such layered germanium-chalcogenide compounds for flexible electronics, integrated photonics, and quantum applications where reduced dimensionality provides superior electronic properties compared to conventional 3D semiconductors.

Research optoelectronics2D semiconductor devicesPhotodetectorsFlexible electronicsPhotovoltaic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,795.1	ksi	—
Shear Modulus(G)	4,582.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8253	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3140	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.

S2 Ge2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control