Abstract

X-ray photoelectron spectroscopy is used to study six trihexyltetradecyl phosphonium ionic liquids. The charge distribution in both the phosphonium cation and the phosphate anion is discussed in detail. We can conclude that the P 2p binding energy for the cationic phosphorus centre is lower than that of the anion-based phosphorus centre. The electronic environment of the anionic fluorine, nitrogen and sulfur is compared. The effect of the anion on the measured cationic P 2p binding energy is investigated employing commonly used anions. It is found that the cationic P 2p binding energy is inversely proportional to the basicity of the anion.

中文翻译：

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I离子液体的电荷分布：versus与磷酸盐

摘要

X射线光电子能谱用于研究六种三己基十四烷基phospho离子液体。详细讨论了nium阳离子和磷酸根阴离子中的电荷分布。我们可以得出结论，阳离子磷中心的P 2 p结合能比阴离子基磷中心的低。比较了阴离子氟，氮和硫的电子环境。使用常用的阴离子研究了阴离子对测得的阳离子P 2 p结合能的影响。发现阳离子P 2 p的结合能与阴离子的碱性成反比。