Diversifying self-assembled phases in block copolymer thin films via blending

Doerk, Gregory S.; Yager, Kevin G.

doi:10.1103/physrevmaterials.7.120301

Diversifying self-assembled phases in block copolymer thin films via blending

Journal Article · Thu Dec 07 23:00:00 EST 2023 · Physical Review Materials

DOI:https://doi.org/10.1103/physrevmaterials.7.120301· OSTI ID:2337598

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Brookhaven National Laboratory (BNL), Upton, NY (United States)

Block copolymer (BCP) thin films readily self-assemble into intricate nanoscale morphologies, with structure dictated by chain architecture. As the field searches for more control over structure formation, it is natural to investigate more sophisticated control mechanisms, such as synthesizing more complex chain architectures or applying directing fields. We review the use of a simple but powerful method for controlling self-assembly: blending of BCPs with homopolymers or other BCPs. Blending enables tailoring ordering kinetics, the spatial distribution of chains throughout the film thickness, and the nanoscale morphology itself. Blending is thus emerging as a remarkably simple and powerful means of tailoring self-assembled morphologies.

View Accepted Manuscript (DOE)

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF)

Grant/Contract Number:: SC0012704

OSTI ID:: 2337598

Report Number(s):: BNL--225497-2024-JAAM

Journal Information:: Physical Review Materials, Journal Name: Physical Review Materials Journal Issue: 12 Vol. 7; ISSN 2475-9953

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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