| 光化学沉积Ag纳米颗粒改性二氧化钛纳米管阵列的光催化及光电响应能力研究 |
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| 引用本文： | 廖斌,梁宏,张旭,刘安东,吴先映.光化学沉积Ag纳米颗粒改性二氧化钛纳米管阵列的光催化及光电响应能力研究[J].北京师范大学学报(自然科学版),2011,47(2):154-158. |
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| 作者姓名： | 廖斌 梁宏 张旭 刘安东 吴先映 |
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| 作者单位： | 北京师范大学射线束技术与材料改性教育部重点实验室;北京师范大学核科学与技术学院北京市辐射中心; |
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| 基金项目： | 国家“863”计划资助项目(2001AA338020) |
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| 摘 要： | 利用电化学阳极氧化法制备出了高度致密,有序的二氧化钛纳米管阵列(TiNT).通过光化学沉积方法在二氧化钛纳米管表面沉积了Ag金属颗粒,并用SEM进行了表征,Ag颗粒的半径在100~500 nm之间.通过对光化学沉积后的TiNT样品进行光电响应和光催化降解测试发现:紫外光照射下改性样品的光电响应能力和光催化降解能力都有不同程度的提高,但在可见光下仍不具备光电响应能力和催化降解能力.
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| 关 键 词： | 光化学沉积 光电响应 二氧化钛纳米管 光催降解 |
PHOTO-ELECTRIC AND PHOTODECOMPOSITION ABILITY OF TITANIA NANOTUBE COVERED WITH Ag METAL PARTICLES BY PHOTO-CHEMICAL DEPOSITION METHOD |
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| LIAO Bin,LIANG Hong,ZHANG Xu,LIU Andong,WU Xianying.PHOTO-ELECTRIC AND PHOTODECOMPOSITION ABILITY OF TITANIA NANOTUBE COVERED WITH Ag METAL PARTICLES BY PHOTO-CHEMICAL DEPOSITION METHOD[J].Journal of Beijing Normal University(Natural Science),2011,47(2):154-158. |
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| Authors: | LIAO Bin LIANG Hong ZHANG Xu LIU Andong WU Xianying |
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| Institution: | LIAO Bin LIANG Hong ZHANG Xu LIU Andong WU Xianying(Key Laboratory for Radiation Beam Technology and Material Modification of Ministry of Education,Institute of Nuclear Science and Technology,Beijing Radiation Center: Beijing Normal University,100875,Beijing,China) |
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| Abstract: | Dense and highly ordered titania nanotube was fabricated by anodic oxidation.SEM was used to characterize surface and structure of titania naotube.The diameter of Ag particles were between 100 to 500 nm.Photo-electrochemical and photo-decomposition experiments of Ag particle-covered titania nanotubes under UV and visible light were tested.Data indicated that performance of modified titania naotubes were enhanced under UV,but not under visible light. |
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| Keywords: | photo-chemical deposition photo-electronic response titania nanotube photodecomposition |
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