K2Cd3S4

semiconductor

· K2Cd3S4

K2Cd3S4 is a ternary sulfide semiconductor compound combining potassium, cadmium, and sulfur in a fixed stoichiometric ratio. This material belongs to the family of metal sulfide semiconductors and is primarily studied in research contexts for its potential electronic and photonic properties, rather than established high-volume industrial applications. The cadmium-sulfide base gives it relevance to photodetector and optical sensing research, though practical deployment remains limited compared to more mature semiconductor alternatives like CdS or CdTe.

photodetector researchoptical sensing compoundsphotovoltaic developmentsolid-state physics researchsemiconductor material screeningthin-film optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.817	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.750	eV	—
↳	1.839	eV	—
Seebeck Coefficient(S)	-61.15	µV/K	—

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)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.9347	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.

K2Cd3S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control