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| Adsorption behavior of hexadecyltrimethylammonium bromide (CTAB) to mica substrates as observed by atomic force microscopy | |
| 引用本文： | ZHAO Feng1,2,DU Yukou1,YANG Ping1,LI Xingchang2 & TANG Ji’an2 1. Chemistry and Chemical Engineering Department,Suzhou University,Suzhou 215006,China, 2. Key Laboratory of Colloid and Interface Science,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080,China Correspondence should be addressed to Tang Ji’an (email: jatang@iccas.ac.cn). Adsorption behavior of hexadecyltrimethylammonium bromide (CTAB) to mica substrates as observed by atomic force microscopy[J]. 中国科学B辑(英文版), 2005, 48(2): 101-106. DOI: 10.1360/04yb0122 |
| 作者姓名： | ZHAO Feng1 2 DU Yukou1 YANG Ping1 LI Xingchang2 & TANG Ji’an2 1. Chemistry and Chemical Engineering Department Suzhou University Suzhou 215006 China 2. Key Laboratory of Colloid and Interface Science Institute of Chemistry Chinese Academy of Sciences Beijing 100080 China Correspondence should be addressed to Tang Ji’an (email: jatang@iccas.ac.cn) |
| 摘 要： | The study of the adsorption behavior of surfac-which makes people further study the adsorptiontants to interfaces is very important in colloid and in-mechanism at the molecular level.terface science[1]owing to the important applications In situ AFM measur… |
Adsorption behavior of hexadecyltrimethylammonium bromide (CTAB) to mica substrates as observed by atomic force microscopy |
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| ZHAO Feng,DU Yukou,YANG Ping,LI Xingchang,TANG Ji'an. Adsorption behavior of hexadecyltrimethylammonium bromide (CTAB) to mica substrates as observed by atomic force microscopy[J]. Science in China(Chemistry), 2005, 48(2): 101-106. DOI: 10.1360/04yb0122 | |
| Authors: | ZHAO Feng DU Yukou YANG Ping LI Xingchang TANG Ji'an |
| Affiliation: | 1. Chemistry and Chemical Engineering Department, Suzhou University, Suzhou 215006, China;Key Laboratory of Colloid and Interface Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China 2. Chemistry and Chemical Engineering Department, Suzhou University, Suzhou 215006, China 3. Key Laboratory of Colloid and Interface Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China |
| Abstract: | Atomic force microscopy is employed to study the adsorption behavior of CTAB to mica surfaces. Results show that conformational transitions from globular micelles?→ cylindrical micelles?→ flat films are observed in the process of the adsorption of CTAB to mica at twice the bulk critical concentration. However, in 0.5 cmc CTAB solution, the adsorbed CTAB molecules to mica form the layered film structures, and apparent conformational transitions do not appear. Meanwhile, the phenomena of the adsorption of CTAB to mica and the dissociation of mica surfaces are periodically observed. |
| Keywords: | atomic force microscopy (AFM) micelle behavior of adsorption the dissociation of mica surfaces. |
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