Germanium Dioxide

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Germanium dioxide, also known as Germanium oxide (GeO2), Germanium (IV) oxide, Germania, is a white powder. It is insoluble in water. Germanium is a brittle grayish-white semi-metallic element. It is not found naturally on Earth in its native state due to its high reactivity. However, Germanium can be commercially obtained from zinc ores, certain coals, argyrodite, and germanite. It is used as a semiconductor in transistors, solar cells, and optical related materials.

Germanium Dioxide Applications:

 Used as a catalyst in production of polyethylene terephthalate resin and for production of other germanium compounds.
Used as an alloying agent and as a phosphor in fluorescent lamps.
Germanium oxide (GeO2) is used as spectrum analysis material and semiconductor material.
Glasses which contain germanium dioxide possess good refractive index and optical dispersion, thus making germanium dioxide useful as an optical material for wide-angle lenses.