STRUCTURE EVOLUTION OF THE CYLINDRICAL PHASE OF DIBLOCK COPOLYMERS IN FILMS

Hong-ge Tan a; Zi-yu Wang b; Wen-fang Zhu a; Qing-gong Song a; Hui Li c; Cui-qin Bai a

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STRUCTURE EVOLUTION OF THE CYLINDRICAL PHASE OF DIBLOCK COPOLYMERS IN FILMS

Papers | Updated：2021-06-21

- STRUCTURE EVOLUTION OF THE CYLINDRICAL PHASE OF DIBLOCK COPOLYMERS IN FILMS
- Vol. 26, Issue 6, Pages: 759-766(2008)
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- Published：20 November 2008
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Hong-ge Tan a, Zi-yu Wang b, Wen-fang Zhu a, et al. STRUCTURE EVOLUTION OF THE CYLINDRICAL PHASE OF DIBLOCK COPOLYMERS IN FILMS[J]. 2008, 26(6): 759-766.
DOI：

Hong-ge Tan a, Zi-yu Wang b, Wen-fang Zhu a, et al. STRUCTURE EVOLUTION OF THE CYLINDRICAL PHASE OF DIBLOCK COPOLYMERS IN FILMS[J]. 2008, 26(6): 759-766. DOI：

摘要

In the weak segregation limit

the structure evolution of the hexagonal cylindrical phase of diblock copolymers in films was investigated. Employing the Landau-Brazovskii mean field theory

we obtained three amplitude parameters as functions of temperature

surface field strength and film thickness. By controlling confinement size and surface field strength

lamellae and undulated lamellae appear in the cylindrical bulk phase of diblock copolymers. “Phase diagrams” of confinement-induced structures are constructed at different surface field strengths. The obtained theoretical results are in agreement with relevant theoretical and experimental results.

Abstract

In the weak segregation limit

the structure evolution of the hexagonal cylindrical phase of diblock copolymers in films was investigated. Employing the Landau-Brazovskii mean field theory

we obtained three amplitude parameters as functions of temperature

surface field strength and film thickness. By controlling confinement size and surface field strength

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