Ca2 Bi2 Cl2 O4

semiconductor

· Ca2 Bi2 Cl2 O4

Ca₂Bi₂Cl₂O₄ is an oxyhalide semiconductor compound combining calcium, bismuth, chlorine, and oxygen in a layered crystal structure. This is a research-phase material being investigated for optoelectronic and photocatalytic applications, where bismuth-based semiconductors are valued for their narrow bandgaps and potential in visible-light-responsive devices. The oxyhalide composition offers tunable electronic properties and may enable applications in solar cells, photodetectors, or environmental remediation where conventional semiconductors like Si or CdTe have limitations, though industrial deployment remains limited and material synthesis and stability require further optimization.

photocatalytic materialsoptoelectronic researchvisible-light photodetectorsexperimental solar applicationsbismuth compound semiconductorsenvironmental remediation (research phase)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,745	ksi	—
Shear Modulus(G)	3,596.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.631	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.195	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.

Ca2 Bi2 Cl2 O4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control