Cd₂Bi₂Cl₂O₄ is an oxyhalide semiconductor compound combining cadmium, bismuth, chlorine, and oxygen—a layered mixed-metal halide belonging to the family of potential photovoltaic and optoelectronic materials. This is primarily a research-phase material; such compounds are investigated for next-generation solar cells, photodetectors, and light-emitting applications where alternative perovskites or traditional semiconductors face stability or toxicity concerns. Engineers evaluate oxyhalides like this for their tunable bandgaps, potential for solution processing, and reduced reliance on lead or tin compared to mainstream perovskites, though commercial viability remains under development.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 54.54 | GPa | — | ||
Shear Modulus(G) | 23.39 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.088 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -1.303 | eV/atom | — |