Preparation of carbon microparticle assemblies from phenolic resin using an inverse opal templating method |
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Authors: | Guoqing Guan Katsuki Kusakabe Haruka Ozono Masatsugu Taneda Masato Uehara Hideaki Maeda |
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Affiliation: | (1) Department of Living Environmental Science, Fukuoka Women`s University, 1-1-1 Kasumigaoka, Higashi-ku, Fukuoka 813-8529, Japan;(2) Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 807-1 Shuku-machi, Tosu, Saga 841-0052, Japan |
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Abstract: | Three-dimensionally (3D) well-ordered carbon microparticle assemblies with different particle morphologies were fabricated
by infiltration of phenolic resin solution into SiO2 inverse opal structures and subsequent carbonization. The effect of the phenolic resin solution concentration and the carbonization
temperature on the morphology of the fabricated carbon microparticles was investigated. At a carbonization temperature of
1000 °C, carbon microparticles with interlocked bridges were obtained when the concentration of phenolic resin solution is
40 wt% and hollow carbon microparticles with opened window channels were obtained at a concentration of 30–35 wt%. When the
carbonization temperature was decreased to 500 °C, carbon microparticles with interlocked bridges also were observed, even
when the phenolic resin concentration was 30 wt%. The structures and properties of the carbon microparticles and their assemblies
were characterized using SEM, XRD, and N2 adsorption. |
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