Influence of preparation methods on the performance efficiency of quantum dot sensitized solar cell

Thanh Tung Ha1, , Vinh Phuc Huynh1, Thi Ngoc Tu Le1
1 Faculty of Natural Science, Dong Thap University, Vietnam

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Abstract

In this study, ưe have prepared TiO2/CdS/CdSe:Mn2+ với CdSe:Mn2+ photoanode using chemical bath deposition and successive ionic layer adsorption and reaction methods to improve the performance efficiency of quantum dot sensitized solar cell. As a result, TiO2 thin film has an Anatase structure, both CdS and CdSe doped Mn have the zinc blende. The morphologies of photoanode, as a sphere, were recorded by scanning electron microscopy. The current density - Voltaic curves show that the performance efficiency for TiO2/CdS/CdSe:Mn2+- chemical bath deposition is 4.9%, which is higher than that of TiO2/CdS/CdSe:Mn2+- successive ionic layer adsorption and reaction (3.77%). Moreover, optical properties, current density - Voltaic curves, dynamic resistances Rct1 and Rct2 were determined and explained details.    

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References

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