| 摘要 |
The invention provides a process for preparing a metal film on a substrate for use in a solar cell, comprising the steps of: (a) depositing a film of a metal oxide on a substrate by means of a gas phase deposition process, which metal is selected from the group consisting of Mo, V, W, Pd, Ta, Nb and Cr; and (b) reducing the metal oxide on the substrate into the corresponding metal by contacting the film of the metal oxide with a reducing gas at a temperature in the range of from 300 to 1500° C. The invention further provides a substrate onto which a metal film is applied, which metal film is obtainable by the process according to the invention, and a solar cell comprising such a substrate.
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