Photoluminescence of Cs4PbBr6 crystals and thin films
Photoluminescence of Cs4PbBr6 crystals and thin films
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DOI：
10.1016/s0009-2614(99)00477-7
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发表时间：
1999-06-18
影响因子：
2.8
通讯作者：
Zazubovich, S
中科院分区：
文献类型：
--
作者：
Nikl, M;Mihokova, E;Zazubovich, S
在4.2-250 K的紫外-可见光谱范围内，测量了Cs4 PbBr 6块体和薄膜样品的吸收、发射和衰减动力学特性。在375 nm处的发射带归因于Cs4 PbBr 6结构本身，其中在310和240 nm附近具有两个激发最大值，与薄膜吸收光谱中的吸收峰一致。在体相和薄膜相体系中，Cs4 PbBr 6和CsPbBr 3相共存。(C)1999 Elsevier Science B. V.保留所有权利。
Absorption, emission and decay kinetics characteristics of Cs4PbBr6 bulk and thin film samples were measured in the UV-visible spectral range over 4.2-250 K. An emission band at 375 nm was ascribed to the Cs4PbBr6 structure itself with two excitation maxima round 310 and 240 nm coinciding with absorption peaks in the thin film absorption spectrum. The coexistence of Cs4PbBr6 and CsPbBr3 phases was evidenced in both the bulk and thin film systems. (C) 1999 Elsevier Science B.V. All rights reserved.