Single polymer molecules adsorbed to mica and the oppositely charged polymer/surfactant complexes formed at the air-water interface visualized by atomic force microscopy

被引：6
|
作者：
Zhao, F
Du, YK
Yang, P
Tang, J [1 ]
Li, XC
机构：
[1] Chinese Acad Sci, Inst Chem, CAS Key Lab Colloid & Interface Sci, Beijing 100080, Peoples R China
[2] Suzhou Univ, Dept Chem & Chem Engn, Suzhou 215006, Peoples R China
来源：
COLLOID AND POLYMER SCIENCE | 2005年 / 283卷 / 12期
关键词：
structure and morphology; atomic force microscopy (AFM); the air-water interface;
D O I：
10.1007/s00396-005-1321-6
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：
In the present study, the structure and morphology of single sodium poly(styrenesulfonate) (PSS) molecules adsorbed to mica surface from the natural aqueous solution is investigated using atomic force microscopy technique. Results show that single PSS molecules are observed which show a morphology of wormlike coils. Meanwhile, single sodium poly(styrenesulfonate) (PSS)/Hexadecyltrimethylammonium bromide (CTAB) complexes deposited on mica from the air-water interface are also observed. However, the PSS/CTA(+) complexes show different conformations by appearing in the morphology of circular patches. Experimental data are in fair agreement with the theoretical analysis.
引用
收藏
页码：1361 / 1365
页数：5
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