Under what conditions does amorphous silicon tend to form in the furnace during thermal hydrogenation, and how can this be avoided?
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Under what conditions does amorphous silicon tend to form in the furnace during thermal hydrogenation, and how can this be avoided?
If temperature and ratio control are too low, amorphous silicon is likely to be formed
Temperature has the greatest impact; it is important to pay attention to temperature control. At the beginning of operation, one should not rush to feed material in – wait until the temperature rises to the reaction temperature under a hydrogen atmosphere before gradually adding the material, and then there will be no problems. Similar precautions are needed when shutting down the reactor or initiating an emergency stop: first, cut off the supply of material and maintain a hydrogen atmosphere for an extended period of time
It mainly depends on the reaction temperature; in terms of operation, it is important to control the start-up and shutdown processes so that they are not too rapid.
It mainly depends on the reaction temperature; in terms of operation, it is important to control the start-up and shutdown processes so that they are not too rapid.