Investigation of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide under Binx+ cluster ion bombardment

被引：2
|
作者：
Holzweber, Markus [1 ,2 ]
Hutter, Herbert [1 ,2 ]
机构：
[1] Christian Doppler Lab Surface & Interface Anal To, A-1060 Vienna, Austria
[2] Vienna Univ Technol, Inst Chem Technol & Analyt, A-1060 Vienna, Austria
来源：
SURFACE AND INTERFACE ANALYSIS | 2010年 / 42卷 / 6-7期
关键词：
ionic liquid; imidazolium; ToF-SIMS; Bi cluster ions; cluster SIMS; mass spectrometry; MASS-SPECTROMETRY; THIN-FILMS; EMISSION; BEAM; LIQUID; SIMS;
D O I：
10.1002/sia.3379
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Time-of-flight secondary ion mass spectrometry (ToF-SIMS) was used to study 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide under Bi-ion and Bi-cluster-ion (Bi-2-7(+), Bi-3,5,7(++)) bombardment in positive and negative polarity. Peak pattern as well as practical experiences with the bismuth cluster LMIG is discussed. Mass spectra with the best mass resolution were obtained using Bi-3(++) or Bi-5(++) as primary ion source. The secondary ion yield of high molecular ion is enhanced up to two orders of magnitude upon changing from ion to cluster ion bombardment. Copyright (C) 2010 John Wiley & Sons, Ltd.
引用
收藏
页码：1025 / 1029
页数：5
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