Influence of impurities on the absorption spectrum of thin Cs₄PbI₆ films
The absorption spectrum of the solid solutions,i (Cs₁₋xMx)₄PbI₆ (M = Rb,K) 0≤x≤1 is studied in the spectral range 2-6 eV at T = 90 K. The formation of solid solutions (Cs₁₋xMx)₄PbI₆ in all range of concentrations, but (Cs₁₋xMx)₄PbI₆ in the range 0≤x≤0.9 is established, the compound K₄PbI₆ is unstabl...
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| Veröffentlicht in: | Functional Materials |
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| Datum: | 2014 |
| Hauptverfasser: | , , , |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
НТК «Інститут монокристалів» НАН України
2014
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| Schlagworte: | |
| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/120458 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Influence of impurities on the absorption spectrum of thin Cs₄PbI₆ films / O.N. Yunakova, V.K. Miloslavskii, E.N. Kovalenko, V.V. Kovalenko // Functional Materials. — 2014. — Т. 21, № 3. — С. 313-317. — Бібліогр.: 16 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | The absorption spectrum of the solid solutions,i (Cs₁₋xMx)₄PbI₆ (M = Rb,K) 0≤x≤1 is studied in the spectral range 2-6 eV at T = 90 K. The formation of solid solutions (Cs₁₋xMx)₄PbI₆ in all range of concentrations, but (Cs₁₋xMx)₄PbI₆ in the range 0≤x≤0.9 is established, the compound K₄PbI₆ is unstable. Linear concentration of long-wavelength exciton band parameters in the (Cs₁₋xMx)₄PbI₆ indicates the localization of excitons in PbI₆⁴⁻ structural elements of the compounds crystal lattice.
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| ISSN: | 1027-5495 |