Cited by 100Mesoporous Materials and CatalysisBlock Copolymer Self-AssemblyZeolite Catalysis and Synthesis

Thick wall mesoporous carbons with a large pore structure templated from a weakly hydrophobic PEO-PMMA diblock copolymer

Deng, Yonghui, Liu, Chong, Gu, Dong, Yu, Ting, Tu, Bo, Zhao, Dongyuan·2008·J. Mater. Chem.

Abstract

Thick wall mesoporous carbons (FDU-18) with ordered large pore structures were synthesized via an evaporation induced self-assembly (EISA) approach by using a novel amphiphilic diblock copolymer with a weakly hydrophobic segment as a template, soluble resol as a carbon source and THF as a solvent. The versatile atom transfer radical polymerization (ATRP) method was utilized to prepare the diblock copolymer, poly(ethylene oxide)-b-poly(methyl methacrylate) (PEO-b-PMMA). 1H NMR spectroscopy and gel permeation chromatography show that the obtained PEO-b-PMMA has a Mn of 20 070 g mol−1 and a narrow molecular weight distribution (1.09). Small angle X-ray scattering (SAXS) and transmission electron microscopy (TEM) measurements demonstrate that the obtained mesoporous carbons have a face centered cubic close-packed mesostructure (Fmm) with a large unit cell (∼38 nm). N2 sorption isotherms indicate that the mesoporous carbons have a high surface area up to 1050 m2 g−1 and a uniform large mesopore (∼10.5 nm). It is interesting that the pore walls of the mesoporous carbonaceous materials are ultra thick (ca. 11.5–12.4 nm), which are even larger that their pore diameters. The thick pore walls are related to the weakly hydrophobic block PMMA, which can associate with the phenolic resol precursors. Many useful performances such as high mechanical/chemical stability and graphitization could be expected for this kind of thick wall carbon material.

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Crossref · 10.1039/b713310c

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  • Synthesized BCPs for templating usually contain P2VP, P4VP, or PEO as the hydrophilic block, and PS, PMMA, PI, PIB, and PAN as the hydrophobic block.

    “These synthesized BCPs usually contain poly(2-vinylpyridine) (P2VP), poly(4-vinylpyridine) (P4VP), or poly(ethylene oxide) (PEO) as the hydrophilic block, and PS, PMMA, PI, polyisobutylene (PIB), and polyacrylonitrile (PAN) as the hydrophobic block [143,144].”

    From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [143]

  • Mesoporous carbon films were prepared via EISA from a thermosetting precursor using a variety of BCP templates such as PS-b-P4VP, PEO-b-PS, PEO-b-PMMA, and PEO-b-PMMA-b-PS.

    “In addition, mesoporous carbon films were prepared via EISA from a thermosetting precursor (phenol-formaldehyde system, resol, resorcinol, etc.) using a variety of BCP templates such as PS-b-P4VP, PEO-b-PS, PEO-b-PMMA, and PEO-b-PMMA-b-PS [143].”

    From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [143]

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Authors
Deng, Y., Liu, C., Gu, D., Yu, T., Tu, B., & Zhao, D.
Affiliations
Fudan University (CN)
Corresponding author
Zhao, Dongyuan
Venue
J. Mater. Chem.
Published
2008
Volume
18
Issue
1
Pages
91-97
ISSN
  • 0959-9428 (ISSN-L)
  • 1364-5501
OpenAlex
W2045452718
Cited by
100
References
24
Citations by year
2026: 2 · 2024: 4 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 7 · 2019: 3 · 2018: 2 · 2017: 7 · 2016: 7 · 2015: 10 · 2014: 9 · 2013: 5 · 2012: 11
FWCI
2.58
Type
journal article
Language
en
Open access
closed
Locations
Journal of Materials Chemistry (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Mesoporous Materials and Catalysis
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
  • Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
Keywords
evaporation-induced self-assembly, atom transfer radical polymerization, high surface area, pore wall thickness, graphitization

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