Yunakova, O.N.; Miloslavskii, V.K.; Kovalenko, E.N.; Kovalenko, V.V.
(Functional Materials, 2014)
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 ...