Year 2005, Month 5 (Section Full Articles, Page 1121)
Electron affinity and suppression effect in analysis of chlorofullerenes
by MALDI mass spectrometry
L. N. Sidorov,(a)* V. Livadaris,(b) N. B. Shustova,(a) I. N. Ioffe,(a) E. Kemnitz,(b) and S. I. Troyanov(a)
Samples of the recently obtained higher chlorides of fullerenes C60 and Ñ70 were analyzed
by MALDI mass spectrometry. These systems exhibit the suppression effect of signals from the
main components compared to signals of admixtures. A model was proposed to explain this
effect by the Bell—Evans—Polanyi principle taking into account specific features of the structures and electron-withdrawing properties of different fullerene chlorides. The model is of
general character and can be used for description of different suppression effects using MALDI
mass spectrometry.
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