Multibody Dissipative Particle Dynamics Study of the Composition Effect on the Morphology of Block Copolymer Thin Film

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (10): 2421.

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Multibody Dissipative Particle Dynamics Study of the Composition Effect on the Morphology of Block Copolymer Thin Film

LI Yan-Chun, LIU Hong, HUANG Xu-Ri*, SUN Chia-Chung

State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China

Received:2010-12-30 Revised:2011-01-20 Online:2011-10-10 Published:2011-09-11
Contact: HUANG Xu-Ri E-mail:huangxr@mail.jlu.edu.cn
Supported by:
国家自然科学基金(批准号: 21073075)资助.

Abstract

Abstract: We use multibody dissipative particle dynamics method to investigate the thin film formed by self-assembly of block copolymer on attractive surface under evaporation condition. We consider the composition effect on the morphology of diblock and triblock copolymer thin film. We obtain disorder and lamellar morpho-logy and give the time evolution of the order parameter and the film thickness. The results reveal that the composition of block copolymer effects on the order parameter rather than the film thickness. If one of the compositions is shorter, it is easily to form disorder morphology with lower order parameter. On the other hand, it is easily to form lamellar morphology with higher order parameter.

Key words: Surface, Multibody dissipative particle dynamics, Block copolymer, Thin film

CLC Number:

O631

TrendMD:

LI Yan-Chun, LIU Hong, HUANG Xu-Ri*, SUN Chia-Chung. Multibody Dissipative Particle Dynamics Study of the Composition Effect on the Morphology of Block Copolymer Thin Film[J]. Chem. J. Chinese Universities, 2011, 32(10): 2421.

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Multibody Dissipative Particle Dynamics Study of the Composition Effect on the Morphology of Block Copolymer Thin Film

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