K2Ag3Sb3S7

semiconductor

· K2Ag3Sb3S7

K2Ag3Sb3S7 is a quaternary chalcogenide semiconductor compound combining potassium, silver, antimony, and sulfur elements. This material belongs to the family of complex sulfide semiconductors, which are primarily explored in research contexts for photovoltaic and thermoelectric applications due to their tunable bandgaps and mixed-valence compositions. The silver-antimony-sulfur framework offers potential advantages in solid-state device engineering where conventional semiconductors face limitations, though industrial adoption remains limited compared to established alternatives like CdTe or CIGS photovoltaics.

photovoltaic researchthermoelectric devicessolid-state electronicsexperimental semiconductor materialschalcogenide optoelectronicsmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1542	lb/in³	—

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Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.200	eV	—
↳	1.657	eV	—
Magnetic Moment(μB)	0.000	µB	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00830	eV/atom	—
Formation Energy(ΔHf)	-0.5246	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.

K2Ag3Sb3S7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control