3修飾TiO2納米管 (WTN) 陣列, 且WTN陣列分布均勻。通過改變沉積時間可調(diào)整WTN的鎢含量。利用SEM、EDX、XRD對WTN進(jìn)行了表征。結(jié)果表明,陰極氧化后,TiO2納米管生長于鈦體基體上,納米管的內(nèi)徑為90~120 nm, 外徑為120~160 nm,壁厚在30~60 nm范圍,長約39 μm。經(jīng)C. I.硫化紅14的有效去除證實, 修飾TiO2納米管的WO3增強(qiáng)了WTN光催化活性, 在可見光照射下,所制備復(fù)合膜光催化活性優(yōu)于未修飾納米管陣列 (TN)。"/>

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WO3修飾TiO2納米管陣列制備、表征及光催化活性
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伊斯法罕理工大學(xué),伊斯法罕 84156-83111,伊朗

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Preparation, Characterization and Photocatalytic Activity of Titania Nanotube Arrays Decorated with Tungsten Trioxide
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    利用化學(xué)浴沉積 (CBD) 結(jié)合熱解工藝制備了WO3修飾TiO2納米管 (WTN) 陣列, 且WTN陣列分布均勻。通過改變沉積時間可調(diào)整WTN的鎢含量。利用SEM、EDX、XRD對WTN進(jìn)行了表征。結(jié)果表明,陰極氧化后,TiO2納米管生長于鈦體基體上,納米管的內(nèi)徑為90~120 nm, 外徑為120~160 nm,壁厚在30~60 nm范圍,長約39 μm。經(jīng)C. I.硫化紅14的有效去除證實, 修飾TiO2納米管的WO3增強(qiáng)了WTN光催化活性, 在可見光照射下,所制備復(fù)合膜光催化活性優(yōu)于未修飾納米管陣列 (TN)。

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    Titania nanotube arrays decorated with WO3 (WTN) were fabricated by a chemical bath deposition (CBD) technique in combination with a pyrolysis process. The products were uniform and the amount of tungsten can be easily adjusted by the deposition time. The resultant hybrid nanotubes arrays were characterized by SEM, EDX and XRD. Results show that titania nanotubes with an internal diameter of the tubes 90~120 nm, an external diameter 120~160 nm, wall thickness in the range of 30~60 nm and a length of 39 μm are grown on titanium substrate by anodizing. The tungsten trioxide is i decorated on the titania nanotubes, which enhances the photocatalytic activity of the WTN, as indicated by the efficient removal of C.I. Sulphur Red 14. The resultant composite films show better photocatalytic activity than the non-decorated nanotube arrays (TN) under visible light illumination.

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Mohamad. WO3修飾TiO2納米管陣列制備、表征及光催化活性[J].稀有金屬材料與工程,2016,45(11):2779~2783.[Mohamad. Preparation, Characterization and Photocatalytic Activity of Titania Nanotube Arrays Decorated with Tungsten Trioxide[J]. Rare Metal Materials and Engineering,2016,45(11):2779~2783.]
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  • 收稿日期:2016-12-07
  • 最后修改日期:2016-12-07
  • 錄用日期:2016-12-08
  • 在線發(fā)布日期: 2016-12-08
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