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Preparation And Properties Of The Imino [60] Fullerenes

Posted on:2004-04-23Degree:MasterType:Thesis
Country:ChinaCandidate:D F LiuFull Text:PDF
GTID:2121360095457839Subject:Organic Chemistry
Abstract/Summary:PDF Full Text Request
The subjective of this paper is to study the study the electron-accepting ability, thephenomena of charge transfer, the third-order optical nonlinearity as well as the electron structure of two kind of imino[60]fullerenes with various of aryl group substitute. The main conclusions in this thesis have been summarized as follows.Through [3+2] cycloaddition reaction we have synthesis aziridino-[60]fullerenes I II IV VI and aza-[60]fulleroids III V. In addition, we have synthesis a kind of methanofullerene and a kind of pyrrolidylfullerene.The UV-vis spectra and fluorescence spectra indicate that the [6,6]-closed structure imino[60]fullerenes II VII have intramolecular charge-transfer both in the ground state and in the excited state.The electrochemistry study shows the [6,6]-closed structure imino[60]fullerene derivatives are easier to be reducted than the [6,6]-closed structure methano[60]fullerene derivatives and the [5,6]-opened structuere imino[60]fullerene derivativesThe UV-vis spectra , the third-order optical response and computational study show that the C60 moiety and phenyl is conjugated in the [5,6]-opened structure [60]fullerene derivative III.The UV-vis spectra and the fluorescence spectra show IV has intramolecular charge-transfer in the ground state and the N adjacent to C60 and C60 moiety possess intramolecular charge-transfer in the excited state.
Keywords/Search Tags:C60, imino[60]fullerene,conjugation,charge-transfer
PDF Full Text Request
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