Article Dans Une Revue Journal of Asian Scientific Research Année : 2013

Preparation, Crystal Structure and Caracterization of Inorganic-Organic Hybrid Perovskite [NH3-(CH2)10-NH3] ZnCl4

Résumé

A new perovskite like system [NH3-(CH2)10-NH3] ZnCl4, has been synthesized and characterized by single crystal X-ray diffraction, thermal analysis and infrared spectroscopic study. This compound crystallize in a triclinic space group P-1, with the unit cell parameters a=7.294(1), b=10.058(9) Å, c=12.812(1) Å, α = 90, 89(2), β = 101, 21(1), γ = 92, 40(3) and Z=2. The final R factor is 0,082. The structure of this compound might be described as layered with two parallel anionic and cationic layers. The first layer is composed by isolated distorted tetrahedral (ZnCl4)2- and the second layer of [NH3-(CH2)x-NH3]2+. Network hydrogen - bonding assures the cohesion between these layers and stabilizes the crystal. The structure shows the existence of a conformational disorder of the organic chains between " trans " and " twisted " states. The thermal analysis by DSC shows that the 2C10ZnCl4 perovskite presents reversible phase transition.

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hal-00843371 , version 1 (12-07-2013)

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Keltoum Elmebrouki, El Mostafa Khechoubi, Abdellah Kaïba, Abdesselam Belaaraj, Denise Mondieig, et al.. Preparation, Crystal Structure and Caracterization of Inorganic-Organic Hybrid Perovskite [NH3-(CH2)10-NH3] ZnCl4. Journal of Asian Scientific Research, 2013, 3 (5), pp.454-461. ⟨hal-00843371⟩
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