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Nano Research 2009, 2(3): 242-253 https://doi.org/10.1007/s12274-009-9022-y
Research Article | Open Access | Issue | Published: 08 March 2009

Facile Fabrication of Hierarchically Porous Carbonaceous Monoliths with Ordered Mesostructure via an Organic Organic Self-Assembly

Show Author's Information Chunfeng Xue,  Bo Tu( ),  Dongyuan Zhao( )
Department of ChemistryShanghai Key Lab of Molecular Catalysis and Innovative MaterialsKey Laboratory of Molecular Engineering of PolymersLaboratory of Advanced MaterialsFudan UniversityShanghai200433China
Keywords:
Self-assembly, synthesis, mesoporous materials, carbonaceous, monolith, templating, macroporous materials
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Xue C, Tu B, Zhao D. Facile Fabrication of Hierarchically Porous Carbonaceous Monoliths with Ordered Mesostructure via an Organic Organic Self-Assembly. Nano Research, 2009, 2(3): 242-253. https://doi.org/10.1007/s12274-009-9022-y
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Abstract Full text Electronic supplementary material About this article

A simple strategy for the synthesis of macro-mesoporous carbonaceous monolith materials has been demonstrated through an organic-organic self-assembly at the interface of an organic scaffold such as polyurethane (PU) foam. Hierarchically porous carbonaceous monoliths with cubic (Im3m) or hexagonal (p6mm) mesostructure were prepared through evaporation induced self-assembly of the mesostructure on the three-dimensional (3-D) interconnecting struts of the PU foam scaffold. The preparation was carried out by using phenol/formaldehyde resol as a carbon precursor, triblock copolymer F127 as a template for the mesostructure and PU foam as a sacrificial monolithic scaffold. Their hierarchical pore system was macroscopically fabricated with cable-like mesostructured carbonaceous struts. The carbonaceous monoliths exhibit macropores of diameter 100–450 μm, adjustable uniform mesopores (3.8–7.5 nm), high surface areas (200–870 m2/g), and large pore volumes (0.17–0.58) cm3/g. Compared with the corresponding evaporation induced self-assembly (EISA) process on a planar substrate, this facile process is a time-saving, labor-saving, space-saving, and highly efficient pathway for mass production of ordered mesoporous materials.


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About this article

Facile Fabrication of Hierarchically Porous Carbonaceous Monoliths with Ordered Mesostructure via an Organic Organic Self-Assembly

Show Author's information Chunfeng Xue, Bo Tu( ), Dongyuan Zhao( )
Department of ChemistryShanghai Key Lab of Molecular Catalysis and Innovative MaterialsKey Laboratory of Molecular Engineering of PolymersLaboratory of Advanced MaterialsFudan UniversityShanghai200433China

Abstract

A simple strategy for the synthesis of macro-mesoporous carbonaceous monolith materials has been demonstrated through an organic-organic self-assembly at the interface of an organic scaffold such as polyurethane (PU) foam. Hierarchically porous carbonaceous monoliths with cubic (Im3m) or hexagonal (p6mm) mesostructure were prepared through evaporation induced self-assembly of the mesostructure on the three-dimensional (3-D) interconnecting struts of the PU foam scaffold. The preparation was carried out by using phenol/formaldehyde resol as a carbon precursor, triblock copolymer F127 as a template for the mesostructure and PU foam as a sacrificial monolithic scaffold. Their hierarchical pore system was macroscopically fabricated with cable-like mesostructured carbonaceous struts. The carbonaceous monoliths exhibit macropores of diameter 100–450 μm, adjustable uniform mesopores (3.8–7.5 nm), high surface areas (200–870 m2/g), and large pore volumes (0.17–0.58) cm3/g. Compared with the corresponding evaporation induced self-assembly (EISA) process on a planar substrate, this facile process is a time-saving, labor-saving, space-saving, and highly efficient pathway for mass production of ordered mesoporous materials.

Keywords: Self-assembly, synthesis, mesoporous materials, carbonaceous, monolith, templating, macroporous materials

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Received: 14 December 2008
Revised: 11 January 2009
Accepted: 12 January 2009
Published: 08 March 2009
Issue date: March 2009

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© Tsinghua University Press and Springer-Verlag 2009

Acknowledgements

Acknowledgements

This work was supported by the National Natural Science Foundation of China (20721063, 20890123, and 20521140450), the State Key Basic Research Program of China (2006CB932302 and 2006CB202502), Shanghai Leading Academic Discipline Project (B108) and the Graduate Student Innovation Foundation of Fudan University (EYH1615047).

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