Self-assembly of four-layer woodpile structure from zigzag ABC copolymer/aluminosilicate concertinas

Gilman E.S. Toombes; Surbhi Mahajan; Matthew Weyland; Anurag Jain; Phong Du; Marleen Kamperman; Sol M. Gruner; David A. Muller; Ulrich Wiesner

doi:10.1021/ma071004s

Self-assembly of four-layer woodpile structure from zigzag ABC copolymer/aluminosilicate concertinas

Gilman E.S. Toombes, Surbhi Mahajan, Matthew Weyland, Anurag Jain, Phong Du, Marleen Kamperman, Sol M. Gruner, David A. Muller, Ulrich Wiesner^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

27 Citations (Scopus)

Abstract

Scanning transmission electron tomography was used to determine the three-dimensional structure of a poly(ethylene-alt-propylene-block-ethylene oxide-block-n-hexyl methacrylate) (PEP-b-PEO-b-PHMA) triblock copolymer/aluminosilicate material with domain volume fractions of_PEP = 0.19, f_{PEO+aluminosilicate} = 0.32, and f_PHMA = 0.49. The PEO/aluminosilicate domains formed layers of zigzag-shaped strands (concertinas). Strands were arranged in a four-layer woodpile structure (Sozuer, H. S.; Dowling, J. P. J. Mod. Opt. 1994, 41, 231 239),₁ in which strands in successive layers run in alternate directions (∼75°) and the third and fourth layers are offset. Modeling suggests the PEP and PHMA domains on the outside of each PEO/aluminosilicate strand may stabilize this unusual structure. This result suggests that synthetic macromolecules with multidomain architectures, such as ABC triblock copolymers, can direct the assembly of silica and other ceramic materials into complex new morphologies.

Original language	English
Pages (from-to)	852-859
Number of pages	8
Journal	Macromolecules
Volume	41
Issue number	3
DOIs	https://doi.org/10.1021/ma071004s
Publication status	Published - 12-Feb-2008
Externally published	Yes

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title = "Self-assembly of four-layer woodpile structure from zigzag ABC copolymer/aluminosilicate concertinas",

abstract = "Scanning transmission electron tomography was used to determine the three-dimensional structure of a poly(ethylene-alt-propylene-block-ethylene oxide-block-n-hexyl methacrylate) (PEP-b-PEO-b-PHMA) triblock copolymer/aluminosilicate material with domain volume fractions ofPEP = 0.19, fPEO+aluminosilicate = 0.32, and fPHMA = 0.49. The PEO/aluminosilicate domains formed layers of zigzag-shaped strands (concertinas). Strands were arranged in a four-layer woodpile structure (Sozuer, H. S.; Dowling, J. P. J. Mod. Opt. 1994, 41, 231 239),1 in which strands in successive layers run in alternate directions (∼75°) and the third and fourth layers are offset. Modeling suggests the PEP and PHMA domains on the outside of each PEO/aluminosilicate strand may stabilize this unusual structure. This result suggests that synthetic macromolecules with multidomain architectures, such as ABC triblock copolymers, can direct the assembly of silica and other ceramic materials into complex new morphologies.",

author = "Toombes, {Gilman E.S.} and Surbhi Mahajan and Matthew Weyland and Anurag Jain and Phong Du and Marleen Kamperman and Gruner, {Sol M.} and Muller, {David A.} and Ulrich Wiesner",

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AU - Toombes, Gilman E.S.

AU - Mahajan, Surbhi

AU - Weyland, Matthew

AU - Jain, Anurag

AU - Du, Phong

AU - Kamperman, Marleen

AU - Gruner, Sol M.

AU - Muller, David A.

AU - Wiesner, Ulrich

PY - 2008/2/12

Y1 - 2008/2/12

N2 - Scanning transmission electron tomography was used to determine the three-dimensional structure of a poly(ethylene-alt-propylene-block-ethylene oxide-block-n-hexyl methacrylate) (PEP-b-PEO-b-PHMA) triblock copolymer/aluminosilicate material with domain volume fractions ofPEP = 0.19, fPEO+aluminosilicate = 0.32, and fPHMA = 0.49. The PEO/aluminosilicate domains formed layers of zigzag-shaped strands (concertinas). Strands were arranged in a four-layer woodpile structure (Sozuer, H. S.; Dowling, J. P. J. Mod. Opt. 1994, 41, 231 239),1 in which strands in successive layers run in alternate directions (∼75°) and the third and fourth layers are offset. Modeling suggests the PEP and PHMA domains on the outside of each PEO/aluminosilicate strand may stabilize this unusual structure. This result suggests that synthetic macromolecules with multidomain architectures, such as ABC triblock copolymers, can direct the assembly of silica and other ceramic materials into complex new morphologies.

AB - Scanning transmission electron tomography was used to determine the three-dimensional structure of a poly(ethylene-alt-propylene-block-ethylene oxide-block-n-hexyl methacrylate) (PEP-b-PEO-b-PHMA) triblock copolymer/aluminosilicate material with domain volume fractions ofPEP = 0.19, fPEO+aluminosilicate = 0.32, and fPHMA = 0.49. The PEO/aluminosilicate domains formed layers of zigzag-shaped strands (concertinas). Strands were arranged in a four-layer woodpile structure (Sozuer, H. S.; Dowling, J. P. J. Mod. Opt. 1994, 41, 231 239),1 in which strands in successive layers run in alternate directions (∼75°) and the third and fourth layers are offset. Modeling suggests the PEP and PHMA domains on the outside of each PEO/aluminosilicate strand may stabilize this unusual structure. This result suggests that synthetic macromolecules with multidomain architectures, such as ABC triblock copolymers, can direct the assembly of silica and other ceramic materials into complex new morphologies.

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Self-assembly of four-layer woodpile structure from zigzag ABC copolymer/aluminosilicate concertinas

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