Grazing incidence X-ray diffraction studies of two-dimensional packing properties of amphiphilic alcohols at air-water interface

被引:0
|
作者
Majewski, J [1 ]
Lahav, M [1 ]
Leiserowitz, L [1 ]
Kjaer, K [1 ]
Als-Nielsen, J [1 ]
机构
[1] Univ Calif Los Alamos Natl Lab, MLNSC, Los Alamos, NM 87545 USA
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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
A systematic analysis of grazing incidence synchrotron x-ray diffraction data of uncompressed amphiphilic alcohols CnH2n+1OH (n=13-31) on water subphase at 5 degrees C is presented. For n=31-18 the molecules are arranged in a rectangular cell with plane symmetry p1g1. For n<18 a tilted free-rotator phase is adopted. The various structural parameters of the monolayer series, such as degree of crystallinity, inplane coherence length, chain orientation and molecular motion were established.
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页码:43 / 48
页数:6
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