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首页> 外文期刊>Fullerene science and technology >Synthesis of lanthanofullerenes by laser ablation using pulsed and CW-Nd : YAG lasers
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Synthesis of lanthanofullerenes by laser ablation using pulsed and CW-Nd : YAG lasers

机译：脉冲和CW-Nd：YAG激光烧蚀合成镧级富勒烯

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摘要

Endohedral lanthanum fullerenes, La@C-60, La@C-82 and La-2@C-80, were synthesized by ablation of graphite and La2O3 in flowing Ar buffer gas with a 1064 nm beam from a pulsed-Nd: YAG laser in which the graphite was heated by the CW-Nd:YAG laser up to 2500 degreesC. The La-fullerenes were also prepared by laser ablation of a lanthanum-graphite composite rod. The extractant fullerenes from the carbon soot were analyzed by laser-desorption time of flight mass spectrometry (LD TOF MS). The relative yield of La@C-82 increased with increasing temperature of the rod in the range of 700-2300 degreesC. [References: 15]
机译：通过在Nd：YAG脉冲激光的1064 nm光束中在流动的Ar缓冲气体中烧蚀石墨和La2O3来合成内表面的镧富勒烯La @ C-60，La @ C-82和La-2 @ C-80其中通过CW-Nd：YAG激光器将石墨加热到2500摄氏度。还通过激光烧蚀镧-石墨复合棒制备了富勒烯。通过激光解吸飞行时间质谱（LD TOF MS）分析了碳黑中的萃取剂富勒烯。 La @ C-82的相对产率随棒温度的升高而增加，范围为700-2300℃。 [参考：15]

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