C60异噁唑环衍生物的结构、电子光谱和非线性光学性质的研究 |
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作者单位: | 华南师范大学化学系,广州,510631;华南师范大学化学系,广州,510631;华南师范大学化学系,广州,510631;华南师范大学化学系,广州,510631;华南师范大学化学系,广州,510631 |
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基金项目: | the National Natural Science Foundation of China |
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摘 要: |
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关 键 词: | C60异噁唑环衍生物 电子光谱 非线性光学性质 AM1 INDO/CIS FF/AM1 |
Theoretical Studies on Structures, Electronic Spectra and Nonlinear Optical Properties of Isoxazolo-Fullerene Derivatives |
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Authors: | Fang Liang Xu Xuan Wang Bingfeng Wang Bingcan Zeng Xiandong |
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Abstract: | The AM1 semiempirical calculation method was employed to study the structures and electronic properties of a series of isoxazolo fullerene derivatives. Based on the AM1 geometry optimization, the electronic spectra of molecules were studied by using ZINDO/CIS methods. The results indicated the HOMO LUMO energy gaps of those isoxazolo fullerenes were lower than that of C60. There existed the intramolecular electron transfer from the additional section to C60 moiety. The electronic spectrum data showed that the exception of the absorption was beyond 400 nm.The results were in good accordance with the experiment results. Nonlinear optical susceptibilities α, β and γ of molecules were calculated according to Finite Field(FF)/AM1, and the influence of molecular structures on nonlinear optical properties was examined. |
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Keywords: | Isoxazolo Fullerene derivatives Electronic spectra Nonlinear optical properties AM1, INDO/CIS FF/AM1 |
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