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PREPARATION METHOD OF HYBRID THIN FILM SOLAR CELL AND HYBRID THIN FILM SOLAR CELL PREPARED THEREBY
PREPARATION METHOD OF HYBRID THIN FILM SOLAR CELL AND HYBRID THIN FILM SOLAR CELL PREPARED THEREBY
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机译：混合型薄膜太阳电池的制备方法及由此制备的混合型薄膜太阳电池
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摘要
The present invention provides a preparation method comprising a step of forming a thin film of Cu_2ZnSn(S,Se)_4(CZTSSe) with a vacuum process on an upper part of a first electrode (a fist step); forming a thin film of porous Cu_2ZnSnS_4(CZTS) with a solvent process on an upper part of the thin film of Cu_2ZnSn(S,Se)_4(CZTSSe) formed in the first step (a second step); forming an n-type buffer layer on an upper part of the thin film of CZTS formed in the second step (a third step); and forming a second electrode on an upper part of the n-type buffer layer formed in the third step (a fourth step). A preparation method of a hybrid thin film solar cell according to the present invention has a superior effect in a conversion efficiency of photoelectricity for the prepared hybrid thin film solar cell, by forming an elaborate structured thin film of CZTSSe with a vacuum process, and forming porous thin film of Cu_2ZnSnS_4(CZTS) with a solvent process. Also, there is an effect that a performance of a solar cell can be more improved, in which a preparation is available with a non-vacuum process without using an organic material binder, when prepared a thin film of CZTS with a solvent process, and a morphology of a thin film, a size of a crystal grain and a control of porosity are readily available according to a temperature and a time of a preprocessing and a post processing of heat.;COPYRIGHT KIPO 2016
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