Cs2TeBr6

semiconductor

· Cs2TeBr6

Cs₂TeBr₆ is a halide double perovskite semiconductor compound composed of cesium, tellurium, and bromine. This material belongs to an emerging class of lead-free perovskite semiconductors being researched as alternatives to conventional toxic lead halide perovskites for optoelectronic applications. While still primarily in the research and development phase, Cs₂TeBr₆ and related halide perovskites are being investigated for photovoltaic devices, light-emitting diodes, and radiation detection due to their tunable bandgap, solution processability, and potential for low-cost manufacturing compared to traditional inorganic semiconductors.

perovskite solar cellsradiation detectionlight-emitting deviceslead-free optoelectronicsthin-film semiconductorsresearch photovoltaics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.120	eV	—
Dielectric Constant (Relative Permittivity)(εr)	6.346 range 4.234–8.457median of 2 measurements	-	—

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.

Cs2TeBr6

Electrical Properties

Regulatory Screening

Environmental

Export Control