Fundamental optical absorption of CsPbI3 and Cs4PbI6
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概要
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The fundamental optical absorption spectra of CsPbI3 and Cs4PbI6 have been measured for the first time. There are distinct differences in the absorption characteristic between the two compounds: Cs4PbI6 exhibits strong, oscillator-like absorption and a prominent, blue-shifted excitonic peak, compared to the case of CsPbI3. The differences are explainable in terms of whether the Pb2+(I-)6 octahedra are weakly (CsPbI3) or strongly (Cs4PbI6) mutually isolated in the respective compounds.
- Elsevier Ltdの論文
- 2002-10-00
Elsevier Ltd | 論文
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