K2CdSnSe4

ceramic

· JVASP-91552· K2CdSnSe4

K2CdSnSe4 is a quaternary semiconductor ceramic compound belonging to the family of II-IV-VI semiconductors, combining alkali metal (potassium), transition metal (cadmium), group IV (tin), and chalcogen (selenium) elements. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, where its tunable bandgap and crystal structure make it relevant for solar cells, photodetectors, and nonlinear optical devices. Engineers consider this compound when conventional binary or ternary semiconductors cannot meet specific absorption or emission requirements, though widespread industrial adoption remains limited compared to established alternatives like CdTe or CIGS solar cells.

photovoltaic researchsemiconductor opticsphotodetector devicesnonlinear optical materialsthin-film solar cellsmaterials R&D

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,591.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	2,148	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1642	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.664	eV	DFT · OptB88vdW
↳	2.663	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.011	-	DFT · OptB88vdW
↳	5.413	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	9.540	%	DFT · TBmBJ

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	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8860	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

K2CdSnSe4 — Properties & Data | MatWorld

K2CdSnSe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental