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    Nanostructured Aluminum Oxide Black Coating: Electrochemical, Mechanical, and Optical Characterizations

    Source: Journal of Nanotechnology in Engineering and Medicine:;2015:;volume( 006 ):;issue: 001::page 11002
    Author:
    Awad, Ahmed M.
    ,
    Shaffei, Maha F.
    ,
    Hussein, Hala S.
    DOI: 10.1115/1.4030920
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Nanoporous anodized aluminum oxide (AAO) template is continuously investigated since it is vital for producing a variety of promised nanomaterial. In this study, two steps anodization of aluminum working electrode was carried out in H2SO4 under control of temperature at 17 آ°C and revolution rate 150 rpm using thermostatic cooling system and revolution control mechanical stirrer, respectively. Different times 15 mins, 30 mins, and 45 mins of first anodization were used and followed by electrolytic detachment for 1 min. Then, second anodization was applied for 10 mins, 20 mins, 30 mins, and 40 mins. Each sample of the prepared nanoporous AAO was used as working electrode into the electrolytic coloring cell containing coloring salt solution of 40 g/l CuSO4. Copper ions were deposited into the porous layer by AC current with gentle agitation using magnetic stirrer. The surface was characterized by fieldemission scanning electron microscope device (FESEM), atomic force microscope (AFM), microhardness, corrosion resistance, and optical characteristics. The optical characteristics and reflectivity measurements revealed that the prepared selective coating is promised for solar heating systems and solar water heaters (SWH).
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      Nanostructured Aluminum Oxide Black Coating: Electrochemical, Mechanical, and Optical Characterizations

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    http://yetl.yabesh.ir/yetl1/handle/yetl/159250
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    contributor authorAwad, Ahmed M.
    contributor authorShaffei, Maha F.
    contributor authorHussein, Hala S.
    date accessioned2017-05-09T01:22:10Z
    date available2017-05-09T01:22:10Z
    date issued2015
    identifier issn1949-2944
    identifier othernano_006_01_011002.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/159250
    description abstractNanoporous anodized aluminum oxide (AAO) template is continuously investigated since it is vital for producing a variety of promised nanomaterial. In this study, two steps anodization of aluminum working electrode was carried out in H2SO4 under control of temperature at 17 آ°C and revolution rate 150 rpm using thermostatic cooling system and revolution control mechanical stirrer, respectively. Different times 15 mins, 30 mins, and 45 mins of first anodization were used and followed by electrolytic detachment for 1 min. Then, second anodization was applied for 10 mins, 20 mins, 30 mins, and 40 mins. Each sample of the prepared nanoporous AAO was used as working electrode into the electrolytic coloring cell containing coloring salt solution of 40 g/l CuSO4. Copper ions were deposited into the porous layer by AC current with gentle agitation using magnetic stirrer. The surface was characterized by fieldemission scanning electron microscope device (FESEM), atomic force microscope (AFM), microhardness, corrosion resistance, and optical characteristics. The optical characteristics and reflectivity measurements revealed that the prepared selective coating is promised for solar heating systems and solar water heaters (SWH).
    publisherThe American Society of Mechanical Engineers (ASME)
    titleNanostructured Aluminum Oxide Black Coating: Electrochemical, Mechanical, and Optical Characterizations
    typeJournal Paper
    journal volume6
    journal issue1
    journal titleJournal of Nanotechnology in Engineering and Medicine
    identifier doi10.1115/1.4030920
    journal fristpage11002
    journal lastpage11002
    identifier eissn1949-2952
    treeJournal of Nanotechnology in Engineering and Medicine:;2015:;volume( 006 ):;issue: 001
    contenttypeFulltext
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