Nanometer-sized PbI2 particles were deposited over mesoporous TiO2 film by spin-coating and tested as a photosensitizer. The as-prepared PbI2-sensitized solar cell gave overall power conversion efficiency of 1.41% which was almost four times better than a comparable CdS quantum dot sensitizer prepared by the successive ionic layer adsorption and reaction process.
Michael Graetzel, Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser, Etienne Christophe Socie, Weiwei Zhang, Brian Irving Carlsen, Yinghui Wu, Yameng Ren, Huiyun Jiang
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