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AbstractThe optical properties of Cs3Bi2Br9 in the spectral range 2 to 10 eV are reported and discussed. The results are interpreted with the aid of the calculated band scheme of CsPbBr3. The band edge is situated at 2.707 eV and is ascribed to a transition from the bismuth (6s) valence band to the bismuth (6p) conduction band. The intracationic exciton transition, which takes place at 2.699 eV, is allowed but with a low transition probability. Photoconductivity measurements reveal that the electrons are the more mobile charge carriers.
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 19 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |