[1]郑婵,方世国,李巍,等.活性炭/二氧化锰复合材料的制备及性能研究[J].福建工程学院学报,2019,17(01):1-6.[doi:10.3969/j.issn.1672-4348.2019.01.001]
　ZHENG Chan,FANG Shiguo,LI Wei,et al.Preparation and properties of activated carbon/manganese dioxide composites[J].Journal of FuJian University of Technology,2019,17(01):1-6.[doi:10.3969/j.issn.1672-4348.2019.01.001]
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活性炭/二氧化锰复合材料的制备及性能研究()
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《福建工程学院学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第17卷
期数:
2019年01期
页码:
1-6
栏目:
出版日期:
2019-02-25

文章信息/Info

Title:
Preparation and properties of activated carbon/manganese dioxide composites
作者:
郑婵; 方世国; 李巍; 占礼万
福建工程学院 材料科学与工程学院
Author(s):
ZHENG Chan;  FANG Shiguo;  LI Wei;  ZHAN Liwan
School of Materials Science and Engineering, Fujian University of Technology
关键词:
果壳活性炭; 二氧化锰; 水热法; 比表面积; 光催化性能
Keywords:
shell activated carbon;  manganese dioxide;  hydrothermal method;  specific surface area;  photocatalytical property
分类号:
TB383
DOI:
10.3969/j.issn.1672-4348.2019.01.001
文献标志码:
A
摘要:
采用水热法，以果壳活性炭为载体，制备活性炭（AC）/二氧化锰（MnO2）纳米线复合材料。采用X射线衍射仪（XRD）、场发射扫描电子显微镜（SEM）、比表面及孔径分析仪、同步热分析仪（TG）以及紫外可见吸收光谱（UV/Vis）对所得材料的组成、形貌和结构进行表征，并对其光催化性能进行研究。结果表明：采用水热法可实现活性炭与MnO2的有效复合。在复合材料中，MnO2纳米线多以无定形态的形式存在且尺寸均一，将活性炭有效胶结在一起，从而使得活性炭比表面积和孔隙率降低，但其孔径大小保持不变。光催化实验结果表明，AC/MnO2复合材料对于有机染料具有明显、高效的降解效果，对亚甲基蓝的降解主要是吸附和光催化两者协同效应的结果。该结果拓展了活性炭在光催化领域的应用。
Abstract:
Activated carbon (AC)/manganese dioxide (MnO2) nanowire composites were prepared by the hydrothermal method with shell activated carbon as substrate. The composition, morphology and structure of the obtained composites were characterized by X-ray diffractometer (XRD), field emission scanning electron microscope (SEM), specific surface and pore size analyzer, synchronous thermal analyzer (TG) and UV-Vis absorption spectroscopy (UV/Vis). Meanwhile, their photocatalytic properties were also studied. Results show that the effective combination of activated carbon and MnO2 can be achieved by the hydrothermal method. In the composite material, the MnO2 nanowires are mostly found amorphous and uniform in size, which effectively intersect the activated carbon together, thus reducing the specific surface area and porosity of the activated carbon, but keeping the pore size unchanged. Results of photocatalysis experiments show that AC/MnO2 composites have obvious and efficient degradation effects on organic dyes. The degradation of methylene blue is mainly caused by the synergistic effect of adsorption and photocatalysis. This result expands the application of activated carbon in the field of photocatalysis.

参考文献/References:

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更新日期/Last Update: 2019-02-25