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Cross Marks of Chloride on ZnO Sensor for CH3NH3PbI3-xClx Perovskite

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Title
Cross Marks of Chloride on ZnO Sensor for CH3NH3PbI3-xClx Perovskite
Author
Kong, Seong-Young
Advisor
Hong, Sung You
Keywords
chloride; ZnO sensor; perovskite
Issue Date
2015-02
Publisher
Graduate school of UNIST
Abstract
Newly emerging organic-inorganic hybrid CH3NH3PbI3-xClx perovskite is promising absorber in solar cell community. This is because of their high extinction coefficent, long absorption coverage, superior diffusion length and availability of solution process for commercialization. In regard to this properties crystal morphology is critical issue to improve their performances. Chloride in precursor solution has crucial role in forming these crystal characteristics as an accelator of nucleation. However, there has been severely arguing that chloride is existent in complete perovskite structure, as well as its doping effect if it is true. In this dissertation I proposed the appropriate methods of sampling and analysis to investigate the presence of chloride in CH3NH3PbI3-xClx perovskite.
Description
Department of Chemical Engineering
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