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首页> 外文期刊>Chemistry: A European journal >Electrochemical Survey: The Effect of the Cage Size and Structure on the Electronic Structures of a Series of Ytterbium Metallofullerenes
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Electrochemical Survey: The Effect of the Cage Size and Structure on the Electronic Structures of a Series of Ytterbium Metallofullerenes

机译：电化学调查：笼尺寸和结构对一系列Metal金属富勒烯电子结构的影响

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摘要

The electrochemical properties of a series of metallofullerenes with different cages,namely,Yb@ C_(74)(II),Yb@C_(76)(I,II),Yb@C_(78),Yb@ C_(80),Yb@C_(82)(I,II,III),and Yb@C_(84)II,III,IV),have been systematically investigated by cyclic and differential pulse voltammetry experiments for the first time.This article discusses the electronic structures of these metallofullerenes based on the results from these experiments.From previous electrochemical work and the above discussion,it is concluded that the nondegen-erate LUMO is a common characteristic of the electronic structures of the higher fullerenes and monometalloful-lerenes.In addition,the effect of the cage on the electronic structure and properties of the metallofullerene is estimated from the plot of the reduction potential versus the carbon number of the metallofullerene.This estimation shows that usually the electronic structure and properties of the metallofullerene vary with cage size and structure.The cage structure is of particular importance for determining the electronic structure and properties.Moreover,an explanation concerning the abundance and stability of C_(82)-based trivalent monometallofullerenes is given from an electronic structural standpoint.
机译：一系列具有不同笼型的金属富勒烯的电化学性质，分别为Yb @ C_（74）（II），Yb @ C_（76）（I，II），Yb @ C_（78），Yb @ C_（80）， Yb @ C_（82）（I，II，III）和Yb @ C_（84）II，III，IV）首次通过循环和差分脉冲伏安法进行了系统研究。本文讨论了电子结构基于这些实验的结果，我们对这些金属富勒烯进行了研究。从先前的电化学工作和上述讨论可以得出结论，非简并的LUMO是高级富勒烯和单金属富勒烯的电子结构的共同特征。根据还原电位对金属富勒烯碳原子数的曲线图估算了笼对金属富勒烯电子结构和性能的影响，该估算表明金属富勒烯的电子结构和性能通常随笼尺寸和结构而变化。保持架结构为pa从电子结构的角度对C_（82）基三价单金属富勒烯的丰度和稳定性进行了解释。

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