Anti Reflection Coating

Anti Reflection Coating

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SiNA® Anti-reflection coating and passivation of solar cells

The Constantly reducing price of multi crystalline silicone modules is contributed significantly to rapid technological advancement in the manufacturing processes one such important process is antireflection coating on the cells. After depositing the active layers on silicone and printing contact grid a thin layer of silicone nightride is deposited under ultra high vacuum with the process of chemical vapor deposition. This process is further improved with plasma activation. The complete process is described as Plasma Enhanced Chemical Vapour Deposition (PECVD). The surface structure of SiN reduces the reflection of the light and significantly increases the quantum of light absorve by the active surface of solar cell. This process also provides a layer of passivation on solar cells reducing the surface deface which improves the electronic properties of the silicone. Increasing the convertion of light to electricity.

This process is most challenging and requires expertise to manufacturer the CVD equipment. IMC can identify the most suitable technology partner for PECVD and is in contact with most renowned anti reflecting coating manufacturers.