Patent ID: 8440903

Claim:
A method of forming a solar module, the method comprising: providing a substrate member having a surface region; forming a photovoltaic film overlying the surface region, the photovoltaic film comprising one or more layers of N-type photosensitive semiconductor material alternatively and respectively overlying one or more layers of P-type photosensitive semiconductor material; forming a barrier layer overlying and enclosing the photovoltaic film on the top and side surfaces; forming a powder coating overlying the barrier layer and enclosing the photovoltaic film to protect the photovoltaic film, wherein the powder coating consists of a tetrafluorooxetane fluorine-doped SnO 2 ; performing a thermal treatment process to cure the powder coating; and sealing with an encapsulating material over the powder coating wherein the barrier layer comprises SiN, or SiO2, or TiN, or TFO.