期刊
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
卷 23, 期 5, 页码 549-556出版社
WILEY
DOI: 10.1002/rcm.3906
关键词
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资金
- European Union FP6 Contract STREPNMP [032202]
We demonstrate the potential of an innovative technique, pulsed radiofrequency glow discharge time-of-flight mass spectrometry, for the molecular depth profiling of polymer materials. The technique benefits from the presence, in the afterglow of the pulsed glow discharge, of fragment ions that can be related to the structures of the polymers under study. Thin films of different polymers (PMMA, PET, PAMS, PS) were successfully profiled with retention of molecular information along the profile. Multilayered structures of the above polymers were also profiled, and it was possible to discriminate among layers having similar elemental composition but different polymer structure. Copyright (C) 2009 John Wiley & Sons, Ltd.
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