Surface-field-induced effects on morphologies of lamella-forming diblock copolymers in nanorod arrays

doi:10.1088/1674-1056/20/8/083601

Abstract The surface-induced effect on the morphologies of lamella-forming diblock copolymers in nanorod arrays is studied by using the self-consistent field theory. In the simulation study, a rich variety of novel morphologies are observed by variations in the strength of the surface field for the diblock copolymers. Different surface-field-induced effects are examined for the diblock copolymers in the arrays with distinct preferential surfaces. It is observed that the majority-block preferential surfaces have more obvious induced effects than those of minority-block preferential surfaces. The strong surface fields exhibit different behaviours from those observed in the weak surface fields, by which the morphologies possess cylindrical symmetries. Results from this research deepen the knowledge of surface-induced effects in a confinement system, which may aid the fabrication of polymer-based nanomaterials.

Keywords: diblock copolymer surface-induced effect morphology nanorod array

Received: 03 December 2010
Revised: 18 March 2011
Accepted manuscript online:

PACS:	36.20.-r	(Macromolecules and polymer molecules)
	61.25.hk	(Polymer melts and blends)
	64.70.kmj

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 20374050, 20934004, 21074096, 50773072, and 90403022), the Outstanding Youth Fund of China (Grant No. 20525416), the National Basic Research Program of China (Grant No. 2005CB623800), Program for New Century Excellent Talents in University (Grant No. NCET-05-0538), the Natural Science Foundation of Zhejiang Province (Grant Nos. Y4090174 and Y6100033), and the Science Technology Development Plan of Wenzhou City, China (Grant No. H20080041).

Cite this article:

Wang Xiang-Hong(王向红), Li Shi-Ben(李士本), Zhang Lin-Xi(章林溪), and Liang Hao-Jun(梁好均) Surface-field-induced effects on morphologies of lamella-forming diblock copolymers in nanorod arrays 2011 Chin. Phys. B 20 083601

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Surface-field-induced effects on morphologies of lamella-forming diblock copolymers in nanorod arrays

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