Anion control in the ionothermal synthesis of coordination polymers.
Anion control in the ionothermal synthesis of coordination polymers.
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DOI：
10.1021/ja0737671
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发表时间：
2007-08
影响因子：
15
通讯作者：
Zhuojia Lin;D. Wragg;J. Warren;R. Morris
中科院分区：
文献类型：
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作者：
Zhuojia Lin;D. Wragg;J. Warren;R. Morris
以溴化1-乙基3-甲基咪唑（EMIm-Br）、双三氟甲酰胺（EMIm bistriflamide）、双三氟甲酰胺（EMIm bistriflamide）3种离子液体为原料，合成了两种阴离子三维配位骨架（EMIm）2[Co 3（TMA）2（OAc）2] 1和（EMIm）[Co（TMA）] 2，一种缩合氢氧化物网络[Co 5（OH）2（OAc）8]（H2O）x3和一种二维层状化合物（EMIm）[Co2（TMA）4 H7（22 bpy）2] 4（EMIm-Tf 2N），以及两者的混合物。离子液体中阴离子的使用在溶剂极性/亲水性中起着重要作用，这反过来又控制了离子液体合成中形成的材料的结构。混合阴离子离子液体的使用开辟了许多可能性，可以进一步定制离子液体的性质以用于离子热合成应用。离子液体阴离子不掺入所得材料中。
Two anionic 3D coordination frameworks (EMIm)2[Co3(TMA)2(OAc)2] 1 and (EMIm)[Co(TMA)] 2, one condensed hydroxide network [Co5(OH)2(OAc)8](H2O)x 3, and one 2D layer compound (EMIm)[Co2(TMA)4H7(22bpy)2] 4 were prepared from three relevant ionic liquids of 1-ethyl 3-methyl imidazolium bromide (EMIm-Br), EMIm bistriflamide (EMIm-Tf2N), and mixtures of the two. The use of anions in ionic liquids plays a significant role in solvent polarity/hydrophibicity, which in turn controls the structures of materials formed in the ionothermal synthesis. The use of mixed anion ionic liquids opens up many possibilities to further tailor the properties of ionic liquids for ionothermal synthesis applications. The ionic liquid anions are not incorporated into the resultant materials.