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六羧基铜(Ⅱ)配合物的合成和表征及储氢性能 被引量:1

Synthesis,characterization and H_2 storage capability of Cu(Ⅱ)hexacarboxylate framework material
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摘要 利用溶剂热法合成了一种新型的六羧基铜(Ⅱ)配合物(Cu-MOF)。采用粉末XRD、元素分析、热重分析、红外光谱、SEM和低温N2吸附等测试方法对样品的结构和性能进行了表征,并测试了其77K的储氢性能。结果表明,六羧基铜(Ⅱ)配合物具有丰富的微孔结构,BET和Langmuir比表面分别为2166.3m2·g-1和3484m2·g-1,总孔容积Vp(N2,0.997)为1.24cm3·g-1。77K、4.2MPa时的过量氢气吸附量为4.67%,77K、7.4MPa时总氢气吸附量为7.23%。 Cu (]I)hexacarboxylate framework (Cu-MOF)material was synthesized by solvothermal reaction. The properties of the resulting products have been characterized by using XRD, elemental analysis, TG, IR, SEM and low temperature nitrogen adsorption-desorption techniques. The results showed that the product had rich microporous structure, the BET and Langmuir specific surface area were 2166.3m2·g^-1 and 3484m2·g^-1 respectively,and the total pore volume Vp (N2 ,0. 997)was 1.24cm3·g^-1. The material showed an excess H2 uptake of 4.67wt% at 4. 2MPa and 77K,and a total H2 uptake of 7.23wt% at 7. 4MPa and 77K.
出处 《化工新型材料》 CAS CSCD 北大核心 2013年第3期87-90,共4页 New Chemical Materials
基金 国家自然科学基金项目(51076094)
关键词 金属有机配合物 羧酸配体 比表面积 储氢 metal-organic complex, carboxylic acid ligand, specific surface area, hydrogen storage
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