ICCAS OpenIR
Confinement effect on the body-centered-cubic phase of diblock copolymers in film
Tan, Hongge1; Song, Qinggong1; Yang, Shuang2; Yan, Dadong2; Shi, An-Chang3
2008-01-24
Source PublicationMACROMOLECULAR THEORY AND SIMULATIONS
ISSN1022-1344
Volume17Issue:1Pages:45-51
AbstractIn this paper, we study the morphology of diblock copolymers with the body-centered-cubic (bcc) phase confined between two flat surfaces. Employing the Landau-Brazovskii mean field theory and the single mode approximation, we obtain three amplitude parameters as functions of temperature, surface field strength, and film thickness. Because of the effect of confinement size and the surface inducement, the morphology of confined diblock copolymers is different from the bulk structure. By controlling confinement size and surface field strength, lamella, undulated lamella, cylinder, and distorted cylinder can be observed in the bcc bulk phase of diblock copolymers. Also, we construct a "phase diagram" of confinement-induced structures at different surface field strengths. We compare the present theoretical results with the other relevant theoretical results. The predictions about these interesting confinement-induced structures should be observable in the experiments under suitable conditions.
KeywordBlock Copolymers Film Mean Field Surfaces Theory
DOI10.1002/mats.200700064
Indexed BySCI
Language英语
WOS IDWOS:000252870200006
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64356
Collection中国科学院化学研究所
Corresponding AuthorTan, Hongge
Affiliation1.Civil Aviat Univ China, Coll Sci, Tianjin 300300, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
3.McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
Recommended Citation
GB/T 7714
Tan, Hongge,Song, Qinggong,Yang, Shuang,et al. Confinement effect on the body-centered-cubic phase of diblock copolymers in film[J]. MACROMOLECULAR THEORY AND SIMULATIONS,2008,17(1):45-51.
APA Tan, Hongge,Song, Qinggong,Yang, Shuang,Yan, Dadong,&Shi, An-Chang.(2008).Confinement effect on the body-centered-cubic phase of diblock copolymers in film.MACROMOLECULAR THEORY AND SIMULATIONS,17(1),45-51.
MLA Tan, Hongge,et al."Confinement effect on the body-centered-cubic phase of diblock copolymers in film".MACROMOLECULAR THEORY AND SIMULATIONS 17.1(2008):45-51.
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