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Hetero-metal iodide framework materials and preparation method thereof

A framework material, iodide technology, applied in organic chemistry methods, lead organic compounds, organic chemistry and other directions, to achieve the effects of novel structure, simple preparation process and convenient operation

Inactive Publication Date: 2017-08-29
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] have C 3 The symmetrical 2,4,6-tris(4-pyridyl)-1,3,5-triazine (TPT) molecule, as an electron-deficient organic molecule, has great potential in the construction of molecular electronic devices, but the organic TPT molecule Metal halides with extended structures based on

Method used

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  • Hetero-metal iodide framework materials and preparation method thereof
  • Hetero-metal iodide framework materials and preparation method thereof
  • Hetero-metal iodide framework materials and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0038] In this embodiment, 0.380g of cuprous iodide, 0.456g of lead iodide, 0.022g of TPT, 0.08mL of hydroiodic acid (45%), and 5mL of methanol were added to a stainless steel reaction kettle lined with 10mL of polytetrafluoroethylene, sealed and stirred Two hours later, take out the stirring magnet, seal the stainless steel reaction kettle with the reaction liquid, and crystallize it in an oven at 160°C for 7 days. The crystals generated in the kettle were removed and washed repeatedly 5 times with deionized water, and dried at room temperature to obtain black block crystals of Pb 5 Cu 2 I 16 (Me 2 TPT) 2 .

[0039] In this example, single crystal diffraction was performed on the prepared black blocky crystals, and the data analysis showed that the obtained complexes had a three-dimensional framework structure, wherein the iodide ions took the form of μ 2 and μ 3 The pattern bridges Cu(I) and Pb(II) to form a two-dimensional inorganic subunit layer, in which the two-dim...

Embodiment 2

[0041] In this embodiment, 0.380g of cuprous iodide, 0.472g of lead iodide, 0.022g of TPT, 0.10mL of hydroiodic acid (45%) and 6mL of methanol were added to a 10mL polytetrafluoroethylene-lined stainless steel reaction kettle, sealed and stirred After two hours, take out the stirring magnet, then seal the stainless steel reaction kettle with the reaction solution, and crystallize it in an oven at 160°C for 8 days. After the reaction is completed, take out the stainless steel reaction kettle and let it cool naturally at room temperature. The crystals generated within were removed and washed repeatedly 5 times with deionized water, and dried at room temperature to obtain black block crystals. After cooling, filtering, washing and drying methods as in Example 1, the various characterizations, results and implementation of the target product were obtained. Example 1 is the same.

Embodiment 3

[0043] In this embodiment, 0.389g of cuprous iodide, 0.460g of lead iodide, 0.020g of TPT, 0.14mL of hydroiodic acid (45%) and 5mL of methanol were added to a 10mL polytetrafluoroethylene-lined stainless steel reaction kettle, sealed and stirred After two hours, take out the stirring magnet, then seal the stainless steel reaction kettle with the reaction solution, and crystallize it in an oven at 160°C for 7 days. After the reaction is completed, take out the stainless steel reaction kettle and let it cool naturally at room temperature. The crystals generated within were removed and washed repeatedly 5 times with deionized water, and dried at room temperature to obtain black block crystals. After cooling, filtering, washing and drying methods as in Example 1, the various characterizations, results and implementation of the target product were obtained. Example 1 is the same.

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Abstract

The invention relates to hetero-metal iodide framework materials and a preparation method thereof, belonging to the technical field of molecule-based materials and preparation technologies thereof. According to the invention, under the guidance of related theories of crystal engineering and coordination chemistry, a tripyridine unit (TPT) with the attribute of electron deficiency is introduced into a metal halide system so as to realize designing and construction of a metal iodide hybridization framework; and a copper source, a lead source, an iodine source and a polypyridine unit are regulated and optimally assembled so as to prepare two Cu(I)-Pb(II) hetero-metal iodide framework materials with novel structures. The hetero-metal iodide framework materials have novel structures; the preparation method is simple in process, convenient to operate, enriches synthetic chemistry and structural chemistry of the polypyridine unit; and experimental materials are provided for related material chemistry.

Description

Technical field: [0001] The invention belongs to the technical field of molecular-based materials and their preparation, and relates to heterometallic iodide framework materials with two novel structures and their preparation methods. Background technique: [0002] Metal halides have attracted great attention from materials researchers due to their rich structures and potential applications in fields such as fluorescence, semiconductors, and phase-change materials. In the presence of a suitable structure-directing agent (or template), the assembly of different metal ions and halide ions (especially I - ) is expected to obtain a variety of metal halide materials with special structures and specific properties, representative examples include metal halides with perovskite structures, antimony halides, bismuth halides, etc. Among the metal halides, Cu(I) iodide and Pb(II) iodide have abundant structural features and properties, and Cu(I) and Pb(II) have different coordination ...

Claims

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Application Information

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IPC IPC(8): C07F7/24C07F19/00
CPCC07B2200/13C07F7/24
Inventor 王国明魏丽李金花潘杰
Owner QINGDAO UNIV
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