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Keggin型多金属氧酸盐[Fe(phen)_3]_2[GeMo_8~ⅥMo_4~ⅤO_(40)]·0.5H_2O的水热合成、晶体结构及电化学研究 被引量:12

Hydrothermal synthesis,crystal structure and property of a polyoxometalates with Keggin structure [Fe(phen)_3]_2[GeMo_8~ⅥMo_4~ⅤO_(40)]·0.5H_2O
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摘要 用锗钼酸做原料,在水热条件下合成了一种新型Keggin型杂多酸衍生物[Fe(phen)3]2[GeMo8ⅥMo4ⅤO40].0.5H2O.该化合物属于三斜晶系:空间群为Pī;晶胞参数a=1.216 0(2)nm,b=1.367 6(3)nm,c=1.462 7(3)nm,α=105.05(3)°,β=109.64(3)°,γ=93.07(3)°,V=2.185 6(7)nm3,Z=2,F(000)=1476,R1=0.068 8,wR2=0.187 5.同时,又将该化合物修饰到电极上,研究了其电化学行为. Abstract. A new polyoxometalates with Keggin structure, [Fe(phen)3]2[GeMO^Ⅵ 8Mo^Ⅴ 4O40]·0.5H2O has been hydrothermally synthesized by using pre-synthesized H4 [GeMo12O40]·xH2O as building block. It crystallizes in the triclinic system, space group P1, a = 1. 216 0(2) nm, b = 1. 367 6(3) nm, c = 1. 462 7(3) nm,α = 105.05(3)°,β= 109.64(3)°, γ=93.07(3)°, V=2. 185 6(7) nm^3,Z = 2, F(000) = 147 6,R = 0. 068 8, ωR^2 = 0. 187 5. The compound was used as a bulk-modifier to fabricate a chemically modified carbon paste electrode (CPE) by direct mixing. Its electrochemical behavior was studied at the same time.
出处 《东北师大学报(自然科学版)》 CAS CSCD 北大核心 2007年第1期55-58,共4页 Journal of Northeast Normal University(Natural Science Edition)
基金 国家自然科学基金资助项目(20671016)
关键词 水热合成 多金属氧酸盐 电化学行为 hydrothermal synthesis polyoxometalate electrochemical behavior
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