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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Core and Valence Level Photoelectron Spectroscopy of Nanosolvated KCl
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Core and Valence Level Photoelectron Spectroscopy of Nanosolvated KCl

机译：纳米溶剂KCl的核心和价级光电子能谱

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摘要

The solvation of alkali and halide ions in the aqueous environment has been a subject of intense experimental and theoretical research with multidisciplinary interests; yet, a comprehensive molecular-level understanding has still not been obtained. In recent years, electron spectroscopy has been increasingly applied to study the electronic and structural properties of aqueous ions with implications, especially in atmospheric chemistry. In this work, we report core and valence level (Cl 2p, Cl 3p, and K 3p) photoelectron spectra of the common alkali halide, KCl, doped in gas-phase water clusters in the size range of a few hundred water molecules. The results indicate that the electronic structure of these nanosolutions shows a distinct character from that observed at the liquid-vapor interface in liquid microjets and ambient pressure setups. Insights are provided into the unique solvation properties of ions in a nanoaqueous environment, emerging properties of bulk electrolyte solutions with growing cluster size, and sensitivity of the electronic structure to varying solvation configurations.
机译：碱和卤化物离子在水环境中的溶剂化一直是一个具有多学科兴趣的密集实验和理论研究课题；然而，尚未获得全面的分子水平的理解。近年来，电子光谱学越来越多地应用于研究水离子的电子和结构性质，尤其是在大气化学中。在这项工作中，我们报告了掺杂在几百个水分子大小范围内的气相水团簇中的常见碱卤化物KCl的核心和价态光电子能谱（Cl 2p、Cl 3p和K 3p）。结果表明，这些纳米溶液的电子结构与在液体微射流和环境压力装置中观察到的液-汽界面的电子结构不同。深入了解了纳米水环境中离子独特的溶剂化性质、团簇尺寸不断增大的大块电解质溶液的新兴性质，以及电子结构对不同溶剂化配置的敏感性。

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