Formation of Large molecular cluster anions and elucidation of their electronic structures

Masaaki Mitsui, Atsushi Nakajima

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

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-burning 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.

Original languageEnglish
Pages (from-to)1058-1074
Number of pages17
JournalBulletin of the Chemical Society of Japan
Volume80
Issue number6
DOIs
Publication statusPublished - 2007 Dec 1

ASJC Scopus subject areas

  • Chemistry(all)

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