The greater thermal generation of carriers alters the electric field profile in a very detrimental way. "Skinny film" modules will not be created with personal cells but in the shape of constant bands deposited on an correct substrate. The layers are made of amorphous silicon (a-Si) one or two microns https://cesaryayyv.snack-blog.com/35741233/not-known-facts-about-solar-cell-panel