Haloform adsorption on crystalline copolymer films of vinylidene fluoride with trifluoroethylene

被引：4
作者：
Xiao, Jie
Ilie, Carolina C.
Wu, Ning
Fukutani, Keisuke
Dowben, P. A. [1 ]
机构：
[1] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA
来源：
SURFACE SCIENCE | 2009年 / 603卷 / 03期
基金：
美国国家科学基金会;
关键词：
Halocarbon adsorption; Poly(vinylidene fluoride-trifluoroethylene); Surface science of polymers; SURFACE FERROELECTRIC TRANSITION; RAY PHOTOELECTRON-SPECTROSCOPY; ELECTRONIC-STRUCTURE; POLY(METHYLVINYLIDENE CYANIDE); ADSORBED MOLECULES; WATER INTERACTIONS; BAND-STRUCTURE; ICE; PHOTOCHEMISTRY; 30-PERCENT;
D O I：
10.1016/j.susc.2008.12.008
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：
Reversible bromoform adsorption on crystalline polyvinylidene fluoride with 30% of trifluoroethylene, P(VDF-TrFE 70:30) was examined by photoemission and inverse photoemission spectroscopies. The adsorption of bromoform on this polymer surface is associative and reversible. Molecular bromoform adsorption appears to be an activated process at 120 K with enhanced adsorption following the initial adsorption of bromoform. Strong intermolecular interactions are also implicated in the presence of a weak shake off or screened photoemission final state, whose intensity scales with the unscreened photoemission final state. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：513 / 517
页数：5
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