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激發態碳六十分子電子傳遞性質的研究
Thesis

激發態碳六十分子電子傳遞性質的研究

楊傑超
Masters, National Tsing Hua University
1994

Abstract

碳六十 電子傳遞 激發態 C60 electron transfer photoexcited
請看我的英文提要In recent years,so many papers reported a photoinducedpolymerization of C60 films and hypothesized that it resultsfrom the formation of a (2+2) cycloaddition when C60 isgenerated to C120. Now we want to investigate a new mechanismin solution phase whether C60 precede self-disproportionationand recombination to form C60 polymers or not. By theoreticaland experimental evidence, that is more favorable thancycloaddition The harvesting of light energy by plants and itsconversion to chemically useful forms are utmost importance tomankind. The artificially mimicking photosynthesis involvingelectron transfer is not very efficient to store light energy.Here we provide direct evidence about C60 for storage of lightenergy. The photoinduced product can exist a lot of monthswithout back electron transfer. Our experiments contain threeparts, including part I: "the self-disproportionation oftriplet C60", part II: "the tabilizatin of C60 radical cation &C60 radical anion by organicalt", and part III: "the continuedreactin of C60 radical C60 radical anion".

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