Peculiarities of the Optical Properties of Organometallic Perovskites with Variable Content of Iodine and Bromineстатья
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Дата последнего поиска статьи во внешних источниках: 14 августа 2017 г.
Аннотация:We have studied the optical properties of thin films of organometallic halide perovskites with variable content of iodine and bromine, which were obtained by two-stage deposition from solution. The results are indicative of an increased contribution of excitons to light absorption at the bandgap edge in brominecontaining perovskites as compared to the iodine-containing ones. The possibilities of using perovskites with preset halogen composition in cascade solar cells are discussed.