首页> 外文期刊>Acta Crystallographica, Section B. Structural science, crystal engineering and materials >Crystal structure, vibrational spectroscopy and optical properties of a one-dimensional organic- inorganic hybrid perovskite of [NH_3CH_2CH(NH_3)-CH_2]BiCl_5
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Crystal structure, vibrational spectroscopy and optical properties of a one-dimensional organic- inorganic hybrid perovskite of [NH_3CH_2CH(NH_3)-CH_2]BiCl_5

机译:晶体结构,振动光谱和光学性质的一维有机无机杂交钙钛矿的[NH_3CH_2CH(NH_3)-CH_2] BICL_5

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摘要

In this work the crystal structure by single crystal X-ray measurement and optical properties of 1D propane-1,2-diammonium pentachlorobismuthate [NH_3CH_2CH(NH_3)CH_3]BiCl_5 organic-inorganic hybrid perovskite are presented. It is prepared by mixing ethanolic solution of equimolar ratios (1:1) of its basic components. The title compound crystallized in the noncentrosymmetric orthorhombic space group Pca2_1 with Z = 8 molecules per unit cell. The unit-cell parameters are a = 19.8403 (7) ? , b = 6.3303 (2) ? , c = 19.0314 (7) ? . The vibrational spectra are studied by Raman and infrared spectroscopy. The optical properties show a strong absorption in the ultraviolet region, the band gap energy E_g is found to be 3.15 eV. Cathodoluminescence measurements are also discussed.
机译:在这项工作中,通过单晶X射线测量和光学性质的1D丙烷-1,2-二氨基溶解的光学性能[NH_3CH_2CH(NH_3)CH_3] BICL_5有机 - 无机杂交钙钛矿。 通过混合其基本组分的等摩尔比(1:1)的乙醇溶液来制备。 标题化合物在非团体二元正式间隙组PCA2_1中结晶,每单位细胞Z = 8分子。 单位单元参数是a = 19.8403(7)? ,b = 6.3303(2)? ,c = 19.0314(7)? 。 通过拉曼和红外光谱研究振动光谱。 光学性质在紫外区域中显示出强烈的吸收,发现带隙能量E_G为3.15eV。 还讨论了阴极发光测量。

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