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首页> 外文期刊>The Journal of Chemical Physics >Characterization of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EmimTf_2N)TX-100cyclohexane ternary microemulsion: Investigation of photoinduced electron transfer in this RTIL containing microemulsion
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Characterization of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EmimTf_2N)TX-100cyclohexane ternary microemulsion: Investigation of photoinduced electron transfer in this RTIL containing microemulsion

机译：1-乙基-3-甲基咪唑双（三氟甲基磺酰基）酰亚胺（EmimTf_2N）TX-100环己烷三元微乳液的表征：在该含RTIL的微乳液中光诱导电子转移的研究

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In this study we have characterized a ionic liquid 1-ethyl-3- methylimidazolium bis(trifluoromethyl- sulfonyl)imide containing ternary nonaqueous microemulsion (EmimTf_2NTX-100cyclo- hexane). The phase behavior and dynamic light scattering study show that the EmimTf 2NTX-100cyclohexane three component system can form microemulsion with EmimTf_2N as polar core at suitable condition. We have investigated photoinduced electron transfer (PET) using dimethyl aniline as electron donor and several Coumarin dyes as electron acceptor molecules at two different R values (R ionic liquidsurfactant) to observe how the dynamics of the PET rate is affected in this type of confined microenvironment compared to that of the PET dynamics in neat ionic liquid and other pure solvent media. The plot of observed k_q values with the free energy change (ΔG ~0) for electron transfer reaction shows an apparent inversion in the observed rate as predicted by the Marcus theory.
机译：在这项研究中，我们表征了含有三元非水微乳液（EmimTf_2NTX-100环己烷）的离子液体1-乙基-3-甲基咪唑鎓双（三氟甲基-磺酰基）酰亚胺。相行为和动态光散射研究表明，EmimTf 2NTX-100环己烷三组分体系可以在合适的条件下形成以EmimTf_2N为极性核的微乳液。我们已经研究了使用二甲基苯胺作为电子供体和几种香豆素染料作为电子受体分子在两个不同的R值（R离子液体表面活性剂）下进行的光致电子转移（PET），以观察在这种受限的微环境中PET速率的动力学如何受到影响。与纯离子液体和其他纯溶剂介质中的PET动力学相比。对于电子转移反应，观察到的k_q值与自由能变化（ΔG〜0）的关系图表明，如Marcus理论所预测的，观察到的速率出现了明显的反转。

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