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武汉大学现代分析科学系采用电子电离技术研究了全碳分子 C_(60)和 C_(70)的正负离子质谱,观察到了正离子质谱中的三电荷离子,测定了正离子质谱中的双电荷离子与电子能量的关系以及负离子质谱中分子离子丰度与电子能量的关系。结果表明,C_(60)和 C_(70)分子具有高稳定性,易失去多个电子生成多电荷离子;负离子在低电子能量时就能生成且 C_(60)比 C_(70)更
The modern analytical science department of Wuhan University studied the positive and negative ion mass spectra of all carbon C_ (60) and C_ (70) by electron ionization technique. The three charge ions in the positive ion mass spectrum were observed. The double charge ions The relationship between electron energy and molecular ion abundance and electron energy in anion mass spectrometry. The results show that the C 60 and C 70 molecules have high stability and easily lose multiple electrons to generate multi-charged ions. The negative ions can be generated at low electron energies with C 60 (60) to C 70