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COLLISIONS OF C-60(+.) AND C-60(2+) AT FLUORINATED AND NON-FLUORINATED SELF-ASSEMBLED MONOLAYER FILMS

被引：37
作者：
CALLAHAN, JH
SOMOGYI, A
WYSOCKI, VH
机构：
[1] VIRGINIA COMMONWEALTH UNIV, DEPT CHEM, RICHMOND, VA 23284 USA
[2] USN, RES LAB, DIV CHEM, WASHINGTON, DC 20375 USA
来源：
RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 1993年 / 7卷 / 08期
关键词：
D O I：
10.1002/rcm.1290070802
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We report here the spectra that result when singly and doubly charged buckminsterfullerene ions, C60+. and C602+, collide with self-assembled monolayer films at collison energies ranging from 125 to 320 eV. The surfaces were prepared by the spontaneous assembly of octadecanethiol (CH3(CH2)17SH), perdeuteroeicosanethiol (CD3(CD2)19SH), and 2-(perfluorooctyl)-ethanethiol (CF3(CF2)7CH2CH2SH) on vapor-deposited gold. The fluorinated surface causes the greatest conversion of kinetic energy into internal energy; more extensive fragmentation of doubly charged buckminsterfullerene C602+ is detected in collisions with this surface than in collisions with the alkanethiolate surfaces.
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页码：693 / 699
页数：7
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