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学科主题物理化学
Synthesis, Characterization, and Catalytic Application of Highly Ordered Mesoporous Alumina-Carbon Nanocomposites
Xu, Jinming1,2; Wang, Aiqin1; Wang, Xiaodong1; Su, Dangsheng3; Zhang, Tao1; Zhang T(张涛)
关键词Nanocomposite Mesoporous Alumina Carbon Cellulose
刊名NANO RESEARCH
2011
ISSN1998-0124
DOI10.1007/s12274-010-0038-0
4期:1页:50-60
收录类别SCI
文章类型Article
部门归属15
项目归属1501
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]ETHYLENE-GLYCOL ; CARBIDE CATALYSTS ; CONVERSION ; CELLULOSE ; NANOPARTICLES ; COMPOSITES ; FRAMEWORKS ; CLUSTERS ; SUPPORT ; SILICA
英文摘要Synthesis, Characterization, and Catalytic Application of Highly Ordered Mesoporous Alumina-Carbon Nanocomposites; Highly ordered mesoporous carbon-alumina nanocomposites (OMCA) have been synthesized for the first time by a multi-component co-assembly method followed by pyrolysis at high temperatures. In this synthesis, resol phenol-formaldehyde resin (PF resin) and alumina sol were respectively used as the carbon and alumina precursors and triblock copolymer Pluronic F127 as the template. N-2-adsorption measurements, X-ray diffraction, and transmission electron microscopy revealed that, with an increase of the alumina content in the nanocomposite from 11 to 48 wt.%, the pore size increased from 2.9 to 5.0 nm while the ordered mesoporous structure was retained. Further increasing the alumina content to 53 wt.% resulted in wormhole-like structures, although the pore size distribution was still narrow. The nanocomposite walls are composed of continuous carbon and amorphous alumina, which allows the ordered mesostructure to be well preserved even after the removal of alumina by HF etching or the removal of carbon by calcination in air. The OMCA nanocomposites exhibited good thermostability below 1000 degrees C; at higher temperatures the ordered mesostructure partially collapsed, associated with a phase transformation from amorphous alumina into gamma-Al2O3. OMCA-supported Pt catalysts exhibited excellent performance in the one-pot transformation of cellulose into hexitols thanks to the unique surface properties of the nanocomposite.
语种英语
WOS记录号WOS:000287973600004
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115801
专题中国科学院大连化学物理研究所
通讯作者Zhang T(张涛)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Max Planck Soc, Fritz Haber Inst, D-14195 Berlin, Germany
推荐引用方式
GB/T 7714
Xu, Jinming,Wang, Aiqin,Wang, Xiaodong,et al. Synthesis, Characterization, and Catalytic Application of Highly Ordered Mesoporous Alumina-Carbon Nanocomposites[J]. NANO RESEARCH,2011,4(1):50-60.
APA Xu, Jinming,Wang, Aiqin,Wang, Xiaodong,Su, Dangsheng,Zhang, Tao,&张涛.(2011).Synthesis, Characterization, and Catalytic Application of Highly Ordered Mesoporous Alumina-Carbon Nanocomposites.NANO RESEARCH,4(1),50-60.
MLA Xu, Jinming,et al."Synthesis, Characterization, and Catalytic Application of Highly Ordered Mesoporous Alumina-Carbon Nanocomposites".NANO RESEARCH 4.1(2011):50-60.
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