Citation: Xiu Li Yue, Fang Ma, Zhi Fei Dai, Meng Liu, Lei Xing, Hai Yan Fan, Zhan Wen Xing, Shao Qin Liu. New insight into surface properties of LB film of an amphiphilic terpolymer[J]. Chinese Chemical Letters, ;2011, 22(2): 241-244. doi: 10.1016/j.cclet.2010.10.014 shu

New insight into surface properties of LB film of an amphiphilic terpolymer

Nanobiotechnology Division, State Key Laboratory of Urban Water Resources and Environment, School of Sciences, Harbin Institute of Technology, Harbin 150001, China

Received Date: 4 June 2010

Fund Project: This research was financially supported by 863 project (No. 2007AA03Z316), National Natural Science Foundation of China (Nos. 20977021 and 30970829), National Natural Science Foundation of Heilongjiang Province (No. E-2007-12) and State Key Lab of Urban Water Resource and Environment (No. 2010TS07).

Amphiphilic terpolymer (TPR) exhibits good film-forming behavior on pure water observed by means of π-A> isotherms. To gain insight into physical properties of TPR, the films have been deposited on silicon substrates at different surface pressure by Langmuir-Blodgett (LB) technique. It was found that the increase in peak intensities of stretching mode was due to orderly packing of the films. The contact angles increased with increasing surface pressure, indicating an increase in hydrophobicity due to dense packing of chains of TPR. The cyclic voltammetric measurements indicated that TPR showed good current shielding effect for electron-transfer. In a word, LB films of TPR can produce a variety of structures with varied topography, enabling us to control not only the functionality of the surface, but also the interfacial transport characteristics.
- Terpolymer,
- Monolayer,
- Langmuir-Blodgett film,
- Surface
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