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載銀TiO2納米管陣列的光催化和抗菌性能研究
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國家自然科學(xué)基金 (21105077)


Photocatalytic and Antibacterial Properties of TiO2 Nanotube Arrays Loaded with Ag Nanoparticals
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    摘要:

    利用陽極氧化法在鈦金屬基體表面制備高度有序的TiO2納米管陣列薄膜(TNA)，將其浸泡在AgNO3溶液中，通過紫外光照射，得到Ag納米顆粒負(fù)載在TNA表面的復(fù)合結(jié)構(gòu)(Ag-TNA)。采用SEM、EDS、XRD、XPS、UV-Vis光譜等手段對(duì)Ag-TNA復(fù)合結(jié)構(gòu)進(jìn)行分析，研究了Ag-TNA復(fù)合納米結(jié)構(gòu)的光催化性能、光電化學(xué)性能及抗菌性能。結(jié)果表明，相對(duì)于TNA，Ag-TNA復(fù)合結(jié)構(gòu)表現(xiàn)出更為優(yōu)良的光電化學(xué)活性，同時(shí)又具有優(yōu)良的廣譜抗菌性能

    Abstract:

    TiO2 nanotube arrays (TNA) were fabricated by anodization of Ti in fluoride containing electrolytes. Then Ag-TiO2 nanotube arrays (Ag-TNA) were prepared by loading silver nanoparticles into TiO2 nanotube via photochemical reduction of AgNO3 solution with different Ag contents. The as-prepared samples were characterized by field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and UV-Vis diffuse reflectance spectroscopy (UV-Vis). The result shows Ag-TNA have the best efficiency of photocatalytic degradation with methyl blue (MB) as probing molecule in aqueous solution and good anti-bacterial properties.

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夏進(jìn)陽,付繼江,彭 祥,向 宇,彭長健,王海蓉,張旭明.載銀TiO2納米管陣列的光催化和抗菌性能研究[J].稀有金屬材料與工程,2014,43(9):2285~2288.[Xia Jinyang, Fu Jijiang, Peng Xiang, Xiang Yu, Peng Changjian, Wang Hairong, Zhang Xuming. Photocatalytic and Antibacterial Properties of TiO2 Nanotube Arrays Loaded with Ag Nanoparticals[J]. Rare Metal Materials and Engineering,2014,43(9):2285~2288.]
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  • 收稿日期:2013-09-16
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  • 在線發(fā)布日期: 2015-02-25
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