用XRD,TG-DTA,FT-IR和SEM对水热法合成的孔道结构钒铝磷酸盐(NH3CH2CH2NH2)[(VO)Al(PO4)2]进行了热性能表征.该化合物中有机组份的分解温度,在氧化气氛中为305～529℃,在惰性气氛中为411～593℃.有机组分的分解逸出导致了结构的破坏,但晶体的微形貌没有发生明显的变化;温度继续升高,发生相变.该化合物热稳定性较其它含有机模板的孔道结构钒磷酸盐要高,主要原因在于结构中存在[AlO4]和[PO4]共顶连接而成的一维链,这种链增加了骨架的强度.
参考文献
| [1] | Centi G;Trifiro F;Ebner J R;Franchetti V M .Mechanistic Aspects of Maleic Anhydride Synthesis from C4 Hydrocarbons over Phosphorous Vanadium Oxide[J].Chemical Reviews,1988,88:55. |
| [2] | Centi G .Vanadyl Pyrophosphate-A Critical Overview[J].Catalysis Today,1993,16:5. |
| [3] | Cheethan A K;Ferard G;Loiseau T .Open-framework Inorganic Materials[J].Angewandte Chemie International Edition,1999,38:3268. |
| [4] | Amoros P;Marcos M D;Beltran-Porter A;Beltran-Porter D .New Trends in V-P-O Solids[J].Current Opinion in Solid State and Materials Science,1999,4:123. |
| [5] | Zubita J .Clusters and Solid Phases of the Oxovanadium-phosphate and Organophosphonates Systems[J].Comments on Inorganic Chemistry,1994,16:153. |
| [6] | Wilson S T;Lok B M;Messina C A;Cannan T R, Flanigen E M .Aluminophosphates Molecular Sieves: a New Class of Microporous Crystalline Inorganic Solids[J].Journal of the American Chemical Society,1982,104:1146. |
| [7] | Meyer L M;Haushalter R C;Zubita J .The First Aluminophosphates: Hydrothermal Synthesis and Structure of Cs [ Al ( PO4 ) 2 ][J].Journal of Solid State Chemistry,1996,125:200. |
| [8] | Roca M.;Amoros P.;Beltranporter A.;Edwards AJ. Beltranporter D.;Marcos MD. .SYNTHETIC STRATEGIES TO OBTAIN V-P-O OPEN FRAMEWORKS CONTAINING ORGANIC SPECIES AS STRUCTURAL DIRECTING AGENTS - CRYSTAL STRUCTURE OF THE V(IV)-FE(III) BIMETALLIC PHOSPHATE [H3N(CH2)(2)NH3](2)[H3N(CH2)(2)NH2][FE-III(H2O)(2)((VO)-O-IV)(8)(OH)(4)(HP O4[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,1996(19):5613-5621. |
| [9] | Soghomonian V;Chen Q;Hanshalter R C;Zubita J .Vanadium Phosphate Framework Solid Construted of Octahedra, Square Pyramids and Tetrahedral with a Cavity Diameter of 184nm[J].Angewandte Chemie International Edition,1993,32:610. |
| [10] | Zhang Y-P;Clearfield A;Haushalter R C .Hydrothermal Synthesis and Crystal Structure of an Organically Templated Open-framework Vanadium Phosphate: H3N(CH2)2NH4VⅢ(H2O)2(VⅣO)6(OH)2(PO4)5(HPO4).3H2O[J].Chemistry of Materials,1995,7:1221. |
| [11] | 杨赞中,廖立兵,杜洪兵.新型磷酸钒孔道结构化合物（H3NCH2CH2NH3）3[（VO）4（PO4）2（HPO4）4]的表征及热性能研究[J].人工晶体学报,2002(02):148-152. |
| [12] | Harrison W T A;Hsu K;Jacobson A J .Hydrothermal Synthesis and Structural Characterization of an Organically Templated Open-framework Vanadium Phosphate:(VO) 2( PO4 ) 2( H2 PO4 )] . N2 C2 H10, a New Three-dimensional, Organically Templated Mixed-valence Vanadium Phosphate Related to[J].Chemistry of Materials,1995,7:2004. |
| [13] | Lu Yingjie;Haushalter R C;Zubita J .Hydrothermal Synthesis and Structural Characterization of a Three-dimensional Organically-templated Vanadium Phosphate:( NH3 CH2 CH2 NH3 )(VO) 3( H2O) 2( PO4 ) 2( HPO4 ) ][J].INORGANICA CHIMICA ACTA,1998,268:257. |
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