GeH3

GeH3, also known as germane, is the chemical compound with the formula GeH3. It is the simplest stable germane, a class of compounds analogous to alkanes but with germanium instead of carbon. Germane is a colorless, flammable gas at room temperature. It is highly toxic and has a characteristic unpleasant odor.

GeH3 is synthesized through various methods, including the reduction of germanium compounds or the reaction of germanium alloys with hydrogen. It is a key precursor in the deposition of germanium films and germanium-based alloys through chemical vapor deposition (CVD) techniques. These films are important in the semiconductor industry for applications such as high-performance transistors, solar cells, and optical devices.

The compound is unstable and can decompose explosively, especially when impure or at elevated temperatures. Its reactivity stems from the relatively weak Ge-H bonds. In pure form, it can be stored at low temperatures. GeH3 is also an intermediate in some chemical reactions and has been studied for its potential in advanced materials synthesis. Its toxicity necessitates careful handling and specialized equipment for any laboratory or industrial use.