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上海大学嘉定校区
纸质出版日期:1997-10-01
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[1]周瑞敏,刘兆民,王锦花,陈辉.C_(60) 与苯同系物的电子束催化反应[J].核技术,1997(10):44-49.
Zhou Ruimin Liu Zhaomin Wang Jinhua Chen Hui. The electron-beam catalysis reaction of C60 and benzene homologue[J]. Nuclear techniques, 1997, (10).
研究了电子束辐照对C60的苯同系物溶液的影响。发现电子束在常温常压的氮气中作用于固体C60,其红外图谱与未辐照的C60图谱一致,说明C60的化学结构没有发生变化;当电子束辐照C60的苯、甲苯和二甲苯溶液后,被辐照样品的颜色从紫色变成褐色,并有大量褐色固体沉淀产生;这三种固体产物经红外光谱仪测定发现图谱中分别明显存在苯、甲苯、二甲苯以及C60的各种基团的红外特征吸收峰;辐照的C60苯和甲苯样品的清液经紫外光谱测定,已无C60的紫外特征吸收峰;而辐照的C60二甲苯样品的清液经紫外光测定仍有C60的紫外特征吸收峰。
? The effect of electron-beam irradiation on the C60-benzene homologue solutions was investigated The structure of C60 is found unchanged when it is exposed to the electron beam at room temperature under normal atmospheric pressure However
a lot of brown deposition will be produced when the C60 dissolved in benzene homologue is irradiated with electron beam The infrared spectra of these brown deposits show typical IR absorption peaks of C60
benzene
toluene and xylene Supernatants of the irradiated C60-benzene homologue solution are measured by an UV spectrometer
showing that there is no C60 species in the supernatants of both C60-benzene and C60-toluene solution
while in the xylene solvent some quantity of C60 can still be observed
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