Self-assembly and AFM Study of Ultra-thin Films of Cellulose Sulfate Salt and Chitosan

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (7): 1450.

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Self-assembly and AFM Study of Ultra-thin Films of Cellulose Sulfate Salt and Chitosan

LI Wan, YAN Li-Feng, LIN Wei, ZHU Qing-Shi

Open Laboratory of Bond Selective Chemistry, University of Science and Technology of China, Hefei 230026, China

Received:2001-03-14 Online:2002-07-24 Published:2002-07-24

Abstract

Abstract: Tosyl cellulose sulfate sodium and chitosan ultra thin films were self assembled through electrostatic attraction on the positively charged quartz substrate. The morphologies obtained by AFMdemonstrated that the arrangement of the polymer chains transformed from original irregularity into well-alignment and the thickness of the films was around 1-2 nm. The films were stable enough for constructing functional ultrathin films.

Key words: Tosyl cellulose sulfate sodium, Chitosan, Self assembled ultra thin films, AFM

CLC Number:

O647

TrendMD:

LI Wan, YAN Li-Feng, LIN Wei, ZHU Qing-Shi . Self-assembly and AFM Study of Ultra-thin Films of Cellulose Sulfate Salt and Chitosan[J]. Chem. J. Chinese Universities, 2002, 23(7): 1450.

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Self-assembly and AFM Study of Ultra-thin Films of Cellulose Sulfate Salt and Chitosan

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