Author/Authors :
Nell، نويسنده , , M.E and Braun، نويسنده , , A and von Ehrenwall، نويسنده , , B and Schmidt، نويسنده , , C and Wagemann، نويسنده , , H.G and Elstner، نويسنده , , L and Langenkamp، نويسنده , , M، نويسنده ,
Abstract :
The surface of the applied Al2O3 ceramic substrate consists of small crystals with a maximum grain size of 5 μm. A 40 μm thick layer deposited on this surface shows polycrystalline quality and grain sizes in the order of 10 μm. Silicon layers of different thickness and doping have been deposited on Al2O3 substrates to make thin film silicon solar cells. These structures have been processed to solar cells in a two mask process. From measurements of the spectral response a diffusion length of 8 μm can be extracted.
Keywords :
solar cells , Ceramic substrates , Thin film silicon , Polycrystalline silicon , chemical vapor deposition
