Cs1 K2 Sb1

semiconductor

· Cs1 K2 Sb1

Cs₁K₂Sb₁ is an intermetallic semiconductor compound belonging to the alkali-antimonide family, combining cesium, potassium, and antimony in a defined stoichiometric ratio. This material is primarily investigated in research contexts for photoemissive and thermoelectric applications, where the combination of alkali metals with antimony creates favorable band structure properties. It represents a niche materials system with potential for specialized optoelectronic devices, though it remains largely experimental rather than widely deployed in mainstream industrial production.

photomultiplier cathodesresearch optoelectronicsthermoelectric deviceslow-work-function surfacesspecialty semiconductor researchvacuum electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	2,214.3	ksi	—
Shear Modulus(G)	1,528.7	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.208	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5320	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.

Cs1 K2 Sb1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control