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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Formation of Large Molecular Cluster Anions and Elucidation of Their Electronic Structures
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Formation of Large Molecular Cluster Anions and Elucidation of Their Electronic Structures

机译：形成大分子簇阴离子的形成和其电子结构的阐明

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摘要

The present account describes our efforts to understand the microscopic aspects of condense phase phenomena,such as ion solvation in molecular liquids and charge carrier localization in molecular solids,by viewing finite-size molecular clusters as their embryonic forms.In this effort,we efficiently prepared supersonically cooled,isolated molecular cluster anions with up to more than 100 constituent molecules and size-selectively investigated their electronic structures using anion photoelectron spectroscopy.Large anionic clusters of two different types of organic molecule;acetonitrile and naphthalene reported as examples of the noteworthy results obtained in our studies.In these two systems,we found that energetically close anionic isomers coexist over a broad range in size,and their contribution in the photoelectron spectra could be separated using anion beam hole-buming technique.A detailed inspection into the electronic states and size-dependent energetics of each isomer has enabled us to establish a link from the large finite cluster to the infinite bulk system.
机译：本次账户描述了我们努力了解冷凝相现象的显微方面，例如分子液体中的离子溶剂和分子固体的电荷载流子定位，通过观察有限尺寸的分子簇作为胚胎形式。在这项工作中，我们有效地制备超声冷却，具有高达100多种组成分子的分离的分子簇阴离子和使用阴离子光电子谱选择的尺寸 - 选择性地研究其电子结构。包括两种不同类型的有机分子的阴离子簇;乙腈和萘作为获得的值得注意的结果报告在我们的研究中。在这两个系统中，我们发现，能量紧密的阴离子异构体在宽范围内共存，并且它们在光电子光谱中的贡献可以使用阴离子束空穴冲泡技术分离。详细检查电子状态和电子状态每个异构体的大小依赖能量都已启用我们建立从大型有限簇到无限散装系统的链接。

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    Masaaki Mitsui; Atsushi Nakajima;

  • 作者单位

    Department of Chemistry Faculty of Science and Technology Keio University 3-14-1 Hiyoshi Kohoku-ku Yokohama 223-8522;

    CREST Japan Science Technology Agency c/o Department of Chemistry Keio University Yokohama 223-8522;

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  • 正文语种 eng
  • 中图分类 化学;
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