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Prepration method of CZTS or CZTSe thin film solar cell using coevaporation and solar cell prepared by the same
Prepration method of CZTS or CZTSe thin film solar cell using coevaporation and solar cell prepared by the same
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机译：利用共蒸发制备CZTS或CZTSe薄膜太阳能电池的方法及由其制备的太阳能电池
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摘要
The present invention relates to a thin film with a band gap slope by forming a CZTS-based precursor through a co-evaporation method, and supplying VI group elements and performing a rapid thermal treatment under an inert gas atmosphere at the same time, and a thin film solar cell using the same. A method for manufacturing a CZTS-based thin film solar cell according to the present invention includes the steps of: preparing a substrate; forming a rear electrode on the substrate; forming a metal precursor layer by depositing a metal precursor including a Cu precursor, a Zn precursor, an Sn precursor and a VI group element precursor on the rear electrode; and manufacturing a light absorbing layer by performing a thermal treatment under the inert gas atmosphere. Accordingly, the present invention can simplify solar cell manufacturing processes and obtain high light conversion efficiency.
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