CsGeCl3

ceramic
· CsGeCl3

CsGeCl3 is a halide perovskite ceramic compound composed of cesium, germanium, and chlorine, representing a member of the lead-free perovskite family that has attracted significant research attention. This material is primarily investigated for optoelectronic and photovoltaic applications, where its direct bandgap and ionic conductivity properties make it a candidate for next-generation solar cells, light-emitting devices, and radiation detection systems. As a research-stage compound rather than a mature commercial material, CsGeCl3 is notable for avoiding the toxicity concerns associated with lead-based perovskites while maintaining semiconductor functionality, though stability and efficiency optimization remain active areas of development.

perovskite solar cellslead-free semiconductorsoptoelectronic devicesradiation detectorsphotovoltaic researchhalide ceramics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Dielectric Constant (Relative Permittivity)(εr)
11.63
range 5.135–18.13median of 2 measurements
-—
Piezoelectric Modulus(eij)
0.4954
C/m²—
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²—
Verified Unverified Low confidence (<80%) Link to source

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.