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Method of successive high-resistance buffer layer/window layer (transparent conductive film) formation for CIS based thin-film solar cell and apparatus for successive film formation for practicing the method of successive film formation
Method of successive high-resistance buffer layer/window layer (transparent conductive film) formation for CIS based thin-film solar cell and apparatus for successive film formation for practicing the method of successive film formation
A high-resistance buffer layer and a window layer (transparent conductive film) are successively formed by the MOCVD method to obtain the same output characteristics as in conventional film deposition by the solution deposition method and to simplify a film deposition method and apparatus. Thus, the cost of raw materials and the cost of waste treatments are reduced to attain a considerable reduction in production cost.;After a metallic base electrode layer 1B and a light absorption layer 1C are formed in this order on a glass substrate 1A, a high-resistance buffer layer 1D and a window layer 1E are successively formed in this order in a multi layer arrangement on the light absorption layer 1C of the resultant semifinished solar cell substrate by the MOCVD method. Consequently, a film deposition method and apparatus are simplified and the cost of raw materials and the cost of waste treatments can be reduced.
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