Bi4 Se4 Br4

semiconductor

· Bi4 Se4 Br4

Bi₄Se₄Br₄ is a layered halide semiconductor compound combining bismuth, selenium, and bromine elements, representing an emerging class of mixed-halide materials under active research for next-generation optoelectronic and thermoelectric applications. This compound is primarily investigated in academic and industrial research settings rather than established production, with potential applications leveraging the tunable bandgap and carrier transport properties characteristic of bismuth chalcogenide-halide systems. Engineers consider such materials for their ability to achieve enhanced light absorption, tunable electronic properties, and potential advantages in flexible or solution-processable device fabrication compared to conventional semiconductors.

perovskite-alternative optoelectronicsexperimental thermoelectric devicesflexible photovoltaics researchinfrared detectorsthin-film semiconductor researchbandgap-tunable applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,274.7	ksi	—
Shear Modulus(G)	1,329.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.583	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5700	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.

Bi4 Se4 Br4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control