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Research on Charge Accumulation and Transport in Hole-conductor-free Perovskite (CH3NH3PbI2Cl) -based Nanostructure Solar Cells
- 发布时间：2020-12-04
- 点击次数：
- 关键字：RECOMBINATION; EFFICIENCY; IMPEDANCE
- 摘要：In this paper, we propose a new kind of nanostructure solar cell involving perovskite CH3NH3PbI2Cl and metal-oxide semiconductor TiO2. Taking advantage of the promising properties of this solution-processed perovskite material such as good light absorption and ambipolar transport of charge carriers, we choose CH3NH3PbI2Cl as both a light absorber for TiO2 nanoparticle sensitization and hole transport material, which helps to constitute a solid-state sensitized solar cell with much simpler construction. Specifically, the cell fabrication and characterization are reported; the analysis based on small-signal electrochemical measurements is in particular provided, in order to investigate internal mechanisms of this photovoltaic device, mainly including charge accumulation, recombination and transport through it.
- 卷号：61
- 期号：4
- 是否译文：否