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Citation: LIU Chun-Lian, LIN Shen, LIAN Jin-Ming, ZHANG Xiao-Feng, WANG Yun. Synthesis,Characterization and Properties of [Mo₆O₁₉]^2-/PAMAM Supramolecular Compound[J]. Chinese Journal of Applied Chemistry, ;2007, 24(6): 632-637. shu

Synthesis,Characterization and Properties of [Mo₆O₁₉]^2-/PAMAM Supramolecular Compound

1.
College of Chemistry and Materials, Fujian Normal University, Fuzhou 350007

Corresponding author: LIN Shen,
Received Date: 23 July 2006
Available Online: 18 November 2006
Fund Project: 国家教育部科技计划项目(205078) (205078)福建省教育厅A类重点项目(JA04167) (JA04167)福建省自然科学基金资助项目(E0510012) (E0510012)

A novel supramolecular compound[Mo₆O₁₉]^2-/PAMAM assembled via ionic bonding was synthesized with poly (amide amine) dendrimer (PAMAM) and[Mo₆O₁₉]^2- polyanion.It was characterized by elemental analysis,FTIR,UV-Vis absorption,TG/DTA,fluorescence spectrum.The electrochemical behavior of the carbon paste electrode (CPE) modified by the title compound was studied in 1 mol/L H₂SO₄ aqueous solution by means of cyclic voltammetry.The results show that the title compound exhibits good fluorescence and reversible photochromism;one more pair of redox peaks was observed in a potential range of -0.2 V to 0.2 V with CPE modified by the title compound compared with the redox peaks of CPE modified by [Mo₆O₁₉][N(C₄H₉)₂]₂;when the scan rate was varied from 20 to 100 mV/s,the redox process of the CPE is surface controlled,however,when the scan rate was varied from 100 to 200 mV/s,the redox process of the CPE is diffusion-controlled;the CPE modified by title compound also exhibits a remarkable electro-chemical stability.
- poly (amide amine) dendrimer,
- polyoxometalate,
- supramolecular,
- fluorescence,
- photochromism,
- electrochemistry
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沈阳化工大学材料科学与工程学院沈阳 110142

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Synthesis,Characterization and Properties of [Mo₆O₁₉]^2-/PAMAM Supramolecular Compound