Directed self-assembly structure of a diblock copolymer with homopolymer-grafted particles. Issue 9 (12th June 2020)

• Record Type: Journal Article
• Authors: Sun, Minna; Zhang, Jinjun; Tang, Dachun; Pan, Junxing; Kong, Xiangming
• Is Part Of: Molecular simulation. Volume 46:Issue 9(2020)
• Page Start: 661
• Page End: 668
• Publication Date: 2020-06-12
• Subjects: Simulation -- ordering phenomenon -- grafted particles -- self-consistent field; Molecular dynamics -- Computer simulation -- Periodicals; Statistical mechanics -- Computer simulation -- Periodicals; 539.6
• DOI: 10.1080/08927022.2018.1496247
• Languages: English
• ISSNs: 0892-7022

Abstract

ABSTRACT: By using self-consistent field theory, the directed self-assembly of a diblock copolymer was studied with homopolymer-grafted particles. The four factors were investigated, such as the fraction of the A block, the brush density and the number and arrangement of particles. A varies ordered structures had been obtained, while a phase diagram was constructed as a function of the volume fraction of the A block and the brush density. The simulation results showed that the morphologies of the block copolymer were sensitive to the particle number and arrangement. Therefore, the self-assembly of the diblock copolymer can be controlled by increasing the particle number and by adjusting the arrangement of particles. A technique guide was provided by creating ordered patterns at the nanoscale.