K2 Ag2 Se2

semiconductor

· K2 Ag2 Se2

K2Ag2Se2 is a ternary semiconductor compound combining potassium, silver, and selenium—a research-phase material belonging to the family of mixed-metal selenides with potential for optoelectronic and thermoelectric applications. This composition is primarily investigated in academic and exploratory settings for its electronic band structure and layered crystal properties rather than established industrial production. Interest in this material class stems from the tunability of silver-selenium coordination chemistry and the potential for enhanced charge carrier mobility or novel optical response compared to binary semiconductors, though practical deployment remains limited to specialized research contexts.

emerging semiconductor researchoptoelectronic devices (exploratory)thermoelectric materials developmentphotovoltaic absorber layers (potential)ion conductor researchquantum materials studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	31.93	GPa	—
Shear Modulus(G)	14.44	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.4048	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7250	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.

K2 Ag2 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control