Unique bimodal carbon xerogels from soft templating of tannin
被引:18
作者:
Amaral-Labat, G.
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Univ Lorraine 7198, ENSTIB, UMR CNRS, Inst Jean Lamour, F-88026 Epinal, France
Univ Sao Paulo, Dept Met & Mat Engn, BR-05508030 Sao Paulo, BrazilUniv Lorraine 7198, ENSTIB, UMR CNRS, Inst Jean Lamour, F-88026 Epinal, France
Amaral-Labat, G.
[1
,2
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Szczurek, A.
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Univ Lorraine 7198, ENSTIB, UMR CNRS, Inst Jean Lamour, F-88026 Epinal, FranceUniv Lorraine 7198, ENSTIB, UMR CNRS, Inst Jean Lamour, F-88026 Epinal, France
Szczurek, A.
[1
]
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Fierro, V.
[1
]
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Celzard, A.
[1
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机构:
[1] Univ Lorraine 7198, ENSTIB, UMR CNRS, Inst Jean Lamour, F-88026 Epinal, France
[2] Univ Sao Paulo, Dept Met & Mat Engn, BR-05508030 Sao Paulo, Brazil
Carbon xerogels were prepared by soft templating of tannin-formaldehyde resin as the precursor and F-127 Pluronic (R) used as both surfactant and templating agent. The influence of preparation pH and amount of Pluronic was systematically investigated, and the resultant porous structures were analysed by mercury porosimetry, helium and envelope pycnometry, and nitrogen adsorption. We show how highly controlled structures can be obtained, presenting bimodal character - either macro-microporous or meso-microporous - and mostly having very narrow pore-size distributions. The corresponding carbon gels have disordered but quite well calibrated and available porosity, with pore volumes and surface areas typical of far more expensive carbon aerogels. They might be used in any application requiring an excellent availability of microporosity and/or mesoporosity. (C) 2014 Elsevier B.V. All rights reserved.
机构:
Univ Lorraine 7198, UMR CNRS, Inst Jean Lamour, ENSTIB, F-88026 Epinal, FranceUniv Lorraine 7198, UMR CNRS, Inst Jean Lamour, ENSTIB, F-88026 Epinal, France
Letellier, M.
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Fierro, V.
Pizzi, A.
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机构:
Univ Lorraine 4370, LERMAB, EA, ENSTIB, F-88026 Epinal, France
King Abdulaziz Univ, Dept Phys, Jeddah 21413, Saudi ArabiaUniv Lorraine 7198, UMR CNRS, Inst Jean Lamour, ENSTIB, F-88026 Epinal, France
机构:
Univ Lorraine 7198, UMR CNRS, Inst Jean Lamour, ENSTIB, F-88026 Epinal, FranceUniv Lorraine 7198, UMR CNRS, Inst Jean Lamour, ENSTIB, F-88026 Epinal, France
Letellier, M.
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机构:
Fierro, V.
Pizzi, A.
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h-index: 0
机构:
Univ Lorraine 4370, LERMAB, EA, ENSTIB, F-88026 Epinal, France
King Abdulaziz Univ, Dept Phys, Jeddah 21413, Saudi ArabiaUniv Lorraine 7198, UMR CNRS, Inst Jean Lamour, ENSTIB, F-88026 Epinal, France