3H-SIT8378.56 - triiodosilane | 13465-72-0

<p>Silicon(IV) iodide is used as a precursor to prepare silicon amides. It finds application in the manufacture and etching of silicon in microelectronics. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information ma</p>

<p>Light, Air and Moisture Sensitive</p>

<p>Silicon(IV) iodide (99.9%-Si)</p>

ALD Material Atomic layer deposition (ALD) is a chemically self-limiting deposition technique that is based on the sequential use of a gaseous chemical process. A thin film (as fine as -0.1 Å per cycle) results from repeating the deposition sequence as many times as needed to reach a certain thickness. The major characteristic of the films is the resulting conformality and the controlled deposition manner. Precursor selection is key in ALD processes, namely finding molecules which will have enough reactivity to produce the desired films yet are stable enough to be handled and safely delivered to the reaction chamber. Tetraiodosilane; Silicon tetraiodide; Silicon iodide ?Hform: -189.5 kJ/mol?Hfus: -29 kJ/molUV absorption max: 284 nmMay be reduced to silicon metalReacts with NH3 <500 °C to form SiNCan be ignited in air forming SiO2