| There is a tremendous activity for the past years in the area of inorganic-organic hybrid materials in view of their diversified structures and interesting properties, and potential applications in photo-electron, separation, and catalyst materials. The efforts have been made in synthesizing and characterizing the class of materials. The control of inorganic structure by an organic component reveals an interactive structural relation in the materials. Assembly of an inorganic-organic hybrid compounds can be achieved by selecting organic components ( multidentate ligands ) and inorganic components (transition metal ions, metal oxides and inorganic acid groups ). A multidentate organic ligand coordinates with two or more transition metal centers to construct a polymeric coordination complex cation which serves as a rigid scaffolding for entraining of inorganic component, anionic oxide. The anionic oxide, in general, is simply a discrete charge-compensating guest,but bonded to the cationic framework with one bond as a terminal ligand, or more bonds as a bridging ligand. The classical examples of templating of inorganic oxides by small organic molecules are represented by zeolites, where the organic component is entrained within the crystallizing inorganic framework during hydrothermal synthesis. This useful method for the modification of inorganic oxide substructures has been extended to design of a family of materials. Expanding on this approach ,we have develop the structure chemistry of vanadium oxides in combination with secondary metal-ligand complex cations.Six novel inorganic-organic hybrid compounds we synthesized can describe with a chemical formular : [ Aa Mb Lc (XnQm)d ].( A= alkali metal, M=transition metal ions ,L= organic multidentate ligands, (XnQm)=inorganic acid groups). When c=0, [ Aa Mb (XnQm)d ] was named Multi-component metal chalcogenides; and when a=o, [Mb Lc (XnQm)d ] was named inorganic-organic hybrid compoundsK2Ag2Sn2Se6 was synthesized by a reactive molten salt reaction at 773K for 5 days. The compound crystallized in Tetragonal space group P4/mcc, with cell parameters a = 0.8173(1) nm, b = 0.8173(1) nm, c = 2.0278(4) nm, V = 0.13545(4) nm3, Z = 4. K2Ag2Sn2Se6 has a chain (1-D) structure consisting of [Ag2Sn2Se6]2- anions and K+ cations. The chain is constructed by edge-sharing bitetrahedral [Sn2Se6] units,connected via linear Ag+ ions in a 1:2 ratio. [Fe2O(OH)(C5H4NCOO)SO4] was synthesized via solvothermal route. The compound crystallized in monoclinic space group P21 , with cell parameters a = 0.73850(15) nm, b = 0.65100(13) nm, c = 1.0546(2) nm, β = 90.36(3)°, V = 0.50700(18) nm3 and Z = 2. The structure is constructed with inorganic layered 1∞[Fe2O(OH)SO4]+ cations and organic bridged (C5H4NCOO)- anions. The 1∞[Fe2O(OH)SO4]+, inorganic cationic layers are linked by (C5H4NCOO)- organic bridging ligands to form a 3-D covalent framework. The compound is thermally stable up to approximately 240 ℃.Three novel inorganic-organic hybrid compounds) were synthesized by hydrothermal reactions. [Co(μ2-bpy)V2O6] crystallized in space group (No. 2),with cell parameters a = 0.81599(7) nm,b = 0.85826(7) nm,c = 1.02031(8) nm,α= 87.111(2)°,β= 75.305(2)°, γ = 74.784(2) °. [(C12H12N2)Co(V2O6] crystallized in space group with cell parameters a = 0.83190(17) nm,b = 0.84764(17) nm,c = 1.1183(2) nm,α= 95.48(3)°,β= 92.03(3)°, γ =107.24(3)°. [(C4H4N2)Ni2(H2O)2(V4O12] crystallized in space group with cell parameters a = 0.73860(15) nm,b = 0.74600(15) nm,c =0.76600(15) nm,α= 66.04(3)°,β= 76.59(3)°, γ =86.74(3)°. The three structures are constructed with inorganic bimetallic oxide layers and organic ligands bridging the layers. Energy gaps values of the above three compounds were determined to be 2.10ev,2.10ev and 2.56ev,respectively,showing semiconductive nature. The thermogravimetric analyses (TGA) for the three compounds indicate that they are thermally stable up to 420 ℃,210℃ and 350 ℃,respectively.. It was shown that reactive molten sa...
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