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金属氮化物包合物Tb_3N@C_(80)的分离和表征 被引量:1

Isolation and Characterization of the Endohedral Metallofullerene Tb_3N@C_(80)
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摘要 在利用电弧放电法合成铽的富勒烯笼内金属包合物时 ,首次观察到 Tb3N@C80 的存在 ,并用两步HPLC法将其分离和提纯 .进一步的实验结果表明 ,氮气的加入是导致 Tb3N@C80 生成的原因 .并用MALDI-TOF-MS和 UV-Vis-NIR光谱对其进行了表征 . The endohedral metallofullerene Tb 3N@C 80 was synthesized by using an improved DC arc discharge method under a He atmosphere containing 2%~5% nitrogen. The experimental results indicated that the introduction of small amounts of nitrogen into the electric arc reactor led to the production of Tb 3N@C 80 . The technique of high pressure and high temperature extraction with DMF and two step HPLC method were used to extract and isolate small amounts of Tb 3N@C 80 . The sample was characterized by HPLC, MALDI TOF mass spectrum and UV Vis NIR spectrum. The observed isotope distribution is consistent with the expected isotope distribution for Tb 3N@C 80 , which shows that the sample obtained should be Tb 3N@C 80 . The UV Vis NIR spectrum shows a large difference between Tb 3N@C 80 and M@C 82 (M=Tb, Gd, La and so on).
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2002年第6期996-998,共3页 Chemical Journal of Chinese Universities
基金 国家自然科学基金 (批准号 :2 0 15 10 0 2 )资助
关键词 金属氮化包合物 分离 表征 富勒烯笼内金属包合物 Tb3N@C80 质谱 光谱 电弧放电法 Endohedral metallofullerene Tb 3N@C 80 Mass spectrum UV Vis NIR spectrum
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参考文献6

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同被引文献40

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