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Citation: LIU Rao, MENG Jian. Synthesis, Crystal Structure and Optical Properties of a Two-Dimensional Organic-inorganic Hybrid Perovskite(C₇H₁₂N₂)PbBr₄[J]. Chinese Journal of Applied Chemistry, ;2012, 29(2): 196-199. doi: 10.3724/SP.J.1095.2012.00109 shu

Synthesis, Crystal Structure and Optical Properties of a Two-Dimensional Organic-inorganic Hybrid Perovskite(C₇H₁₂N₂)PbBr₄

LIU Rao ,
MENG Jian ^,

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: MENG Jian,
Received Date: 17 March 2011
Available Online: 2 June 2011
Fund Project: 国家自然科学基金(51002148,21071141,20921002)资助项目 (51002148,21071141,20921002)

A two-dimensional organic-inorganic hybrid perovskite C₇H₁₂N₂PbBr₄ has been grown via a solution-cooling process by employing the organic cation-2-(2-aminomethyl) pyridinium to control the hybrid compound.The structure of C₇H₁₂N₂PbBr₄ was determined by single-crystal X-ray diffractions to be orthorhombic(Pbca,No.61),with the primitive unit cell of dimensions:a=1.7023 nm,b=0.8289 nm,c=2.0224 nm,and Z=8.The inorganic sublattice is built up from corner-sharing PbBr₆ octahedra forming infinite two-dimensional layered sheets.The organic cations(2-(2-aminomethyl) pyridinium) adopt obviously distorted configuration to connect the inorganic sheets by special hydrogen bonding.Moreover,optical absorption is used to gain more information of the title compound.The characteristic photoluminescence emission peak is located at 422 nm.
- hybrid perovskite,
- two-dimensional,
- luminescence
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Synthesis, Crystal Structure and Optical Properties of a Two-Dimensional Organic-inorganic Hybrid Perovskite(C₇H₁₂N₂)PbBr₄