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Solvothermal Synthesis of Indium Chalcogenides Integrated with 2,2’–Bipyridine

Author: ZhangYaPing
Tutor: DaiJie
School: Suzhou University
Course: Inorganic Chemistry
Keywords: Solvothermal Synthesis Chalcogen compound 2,2 ' - bipyridine Crystal structure
CLC: O627
Type: Master's thesis
Year: 2011
Downloads: 11
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Abstract


Solvothermal synthesis of gallium, indium chalcogenides, has gradually become a focus for researchers because of its novel structure and unique optical and electrical properties. Such compounds mainly in tetrahedral clusters Tn (n = 2-5) as a basic structural unit, through a common cluster to the top of the sulfur metal atom to form a variety of different structures of the anion skeleton, which typically balancing cation is a quaternary amine salt, or protonation of the organic amines and the like, however, having a conjugated structure of the organic ligand with the transition metal complexes formed is introduced into the anion skeleton still rare. 2,2 '- bipyridine (bpy) is a good bidentate organic ligand complexing with transition metal ions to form complexes with the photophysics photocatalytic properties in the field of chemistry, biology a wide range of applications. This paper bpy-functional organic ligands, introduced with the metal coordination to the indium sulfide is a compound system, and its structure and spectroscopic properties mainly include the following: (1) First case solvothermal synthesis of sulfur development and profile of the compound brief introduction; followed solvothermal synthesis of gallium, indium chalcogenide gave a detailed overview of the crystal structure and properties of compounds; then a brief description of the bpy its complex nature and application. (2) In the thermal conditions of the solvent, the bpy directly as the organic ligand is introduced into the indium sulfide genus cluster compounds, indium sulfide is a skeleton of the cluster compound is modified to give two of the target product [InSe (bpy) Cl ] 4 (1), [InS (bpy) Cl] 4 · H 2 O (2). Compounds 1 and 2 cubane structure with unique spatial symmetry and strong π · · · π role. The spectral results show that the charge transfer between the cluster and the ligand has occurred the bpy introduced to the chalcogen compound, reducing indium chalcogen compound such energy gap of the semiconductor material. (3) by the solvothermal synthesis method, the transition metal-bpy with cations introduced into the the InS cluster structure contains three-dimensional to two-dimensional Ni (bpy) 3 the All 2 Ion Tn cluster compounds [the Ni (bpy) , 3 ] 3 / sub> [H 4 In 10 S 20 ] · bpy · 2EG · 6H 2 O (3), [Ni (bpy) 3 ] 2 < / sub> [H 2 In 10 S 19 ] · bpy · 2HEA · 2H 2 O (4) and [Ni (bpy) 32 3 ] 9 [H4In 40 S 74 ] · Hbpy · 5HEA · 8H < sub> 2 O (5) and three containing Ru (bpy) 3 the 2 with a zero-dimensional and one-dimensional Tn cluster compounds {[Ru (bpy ) 3 ] 3.2 bpy · H4In 10 S 20 } 11H 2 O (6), {[Ru (bpy) 3 ] 2 · 4Hbpy · In 10 S 19 } n (7), {[Ru (bpy) 3 ] 2 · 2Hbpy · H 2 In 10 S 19 · 10H 2 O} n (8). Compound 5 is a unique two-dimensional layered compounds containing rigid ion, while compound 6 8 for the first time to get Tn clusters containing ruthenium complex ion compounds. The study found that the anion structure in the resulting compound with a transition metal-bpy with cations having charge transfer, and shows good optical properties.

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CLC: > Mathematical sciences and chemical > Chemistry > Organic Chemistry > Elements in organic compounds
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