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Reagent for Perovskite Solar Cells: Purified Lead(II) Iodide
No.164(January 2015)
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The organic-inorganic hybrid solar cell first reported in 2009 by Miyasaka et al., the so-called perovskite solar cell, recently receive much attention.1) Power conversion efficiency (PCE) of the solar cell is more than 15%.2,3) A device of the perovskite solar cell can be fabricated in low cost, because it is solution-processible. At a main part of the solar cell, the organic-inorganic perovskite semiconductor (MeNH3PbI3) can functionalize as an absorption layer. Wakamiya et al. reported that use of highly purified lead(II) iodide is a key to fabricate efficient perovskite solar cell devices (PCE > 10%) with high reproducibility.4-6) Our product, the purified lead(II) iodide was produced by collaboration with Prof. Atsushi Wakamiya. The advantages of the purified lead(II) iodide (1) are as follows: (1) it contains an extremely low quantity of water for preparing a concentrated clear DMF solution, and (2) it can fabricate perovskite solar cell devices exhibiting high PCE of more than 10%.
*This product was produced by collaboration with Prof. Atsushi Wakamiya
at Institute for Chemical Research, Kyoto University.
References
- 1) Organometal halide perovskites as visible-light sensitizers for photovoltaic cells
- 2) Sequential deposition as a route to high-performance perovskite-sensitized solar cells
- 3) Efficient planar heterojunction perovskite solar cells by vapour deposition
- 4) A. Wakamiya, M. Endo, Y. Murata, Kyoto University, JP Pat. Appl. 2014-008540.
- 5) Reproducible fabrication of efficient perovskite-based solar cells: X-ray crystallographic studies on the formation of CH3NH3PbI3 layers
- 6) Photocarrier recombination dynamics in perovskite CH3NH3PbI3 for solar cell applications
Related Compounds
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