Cited by 107Mesoporous Materials and CatalysisBlock Copolymer Self-AssemblyAdvanced Polymer Synthesis and Characterization

Design of amphiphilic abc triblock copolymer for templating synthesis of large-pore ordered mesoporous carbons with tunable pore wall thickness

Zhang, Junyong, Deng, Yonghui, Wei, Jing, Sun, Zhenkun, Gu, Dong, Bongard, Hans, Liu, Chong, Wu, Haihong +3 more·2009·Chemistry of Materials

Abstract

In this paper, we demonstrate a successful synthesis of highly ordered mesoporous carbons with large pores and tunable pore walls by using a home-designed ABC amphiphilic triblock copolymer poly(ethylene oxide)- block -poly(methyl methacrylate)- block -polystyrene (PEO- b -PMMA- b -PS) with gradient hydrophilicity as a template and resol as a carbon source via the solvent evaporation induced self-assembly (EISA) strategy. SAXS, TEM, HRSEM, and N 2 sorption characterizations show that the obtained carbon products possess ordered face-centered cubic (fcc) close-packed ( Fm 3̅ m ) mesostructure with large pores of about 20.0 nm. By simply adjusting the resol/template ratios, the wall thickness of products can easily be tuned in the range of 10−19 nm. For the first time, we observed numerous large micro/mesopores in the carbon pore walls, originating from the removal of PMMA segment during the pyrolysis. The obtained mesoporous carbons have an extra-large lattice constant of up to 55.0 nm, high surface areas of ∼ 900 m 2 /g, and pore volume of ∼ 0.6 cm 3 /g, as well as high stability even in concentrated KOH solution. The gradient hydrophilicity of the ABC triblock copolymer template facilitates the continuous invasion of resol precursor molecules along the PEO to PMMA segments of the spherical PEO-PMMA-PS micelles, tuning the pore wall thickness. The rationally designed ABC-type triblock copolymers make it possible to synthesize ordered mesoporous carbons with ultrathick pore walls as well as excellent chemical and thermal stability.

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Crossref · 10.1021/cm901371r

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  • Amphiphilic BCPs with wider choices for composition and molecular weight of polymer segments are readily designed and synthesized in the laboratory through controlled/living polymerization techniques.

    “Alternatively, amphiphilic BCPs with wider choices for composition and molecular weight of the polymer segments are readily designed and synthesized in the laboratory through controlled/“living” polymerization techniques [142].”

    From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [142]

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Authors
Zhang, J., Deng, Y., Wei, J., Sun, Z., Gu, D., Bongard, H., Liu, C., Wu, H., Tu, B., Schüth, F., & Zhao, D.
Affiliations
  • Fudan University (CN)
  • Max-Planck-Institut für Kohlenforschung (DE)
  • East China Normal University (CN)
Corresponding author
  • Deng, Yonghui
  • Zhao, Dongyuan
Venue
Chemistry of Materials
Published
2009-08-11
Volume
21
Issue
17
Pages
3996-4005
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W2001905719
Cited by
107
References
34
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 7 · 2021: 9 · 2020: 5 · 2019: 5 · 2018: 5 · 2017: 7 · 2016: 13 · 2015: 7 · 2014: 13 · 2013: 10 · 2012: 11
FWCI
3.38
Type
journal article
Language
en
Open access
closed
Locations
  • Chemistry of Materials (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Mesoporous Materials and Catalysis
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
  • Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
Keywords
ordered mesoporous carbon, evaporation-induced self-assembly, template synthesis, micelles, high surface area carbon

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